SAT數(shu)(shu)(shu)(shu)(shu)學高頻單詞 abscissa 橫坐(zuo)標(biao)(biao)(biao) absolute value 絕對值 account for (數(shu)(shu)(shu)(shu)(shu)量)占 acute angle 銳角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao) acute triangle 銳角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)三角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)形(xing) addition 加(jia),加(jia)法 adjacent 相(xiang)鄰(lin) adjacent angles 鄰(lin)角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao) algebra 代(dai)數(shu)(shu)(shu)(shu)(shu)學 algebraic expression 代(dai)數(shu)(shu)(shu)(shu)(shu)式(shi) algebraic fraction 分(fen)(fen)式(shi) aliquant 除不(bu)盡數(shu)(shu)(shu)(shu)(shu) alternate angles 內錯角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao) altitude 高度(du)(du)(du)(du) apiece 每人,每個(ge)(ge) approximately 近似的(de)(de)(de)(de)(de)(de),大(da)約的(de)(de)(de)(de)(de)(de) approximation 近似,近似值 arc 弧,圓周的(de)(de)(de)(de)(de)(de)任意一(yi)段 area 面(mian)(mian)積 arithmetic 算術(shu) arithmetic(al) average 算術(shu)平(ping)(ping)均(jun)數(shu)(shu)(shu)(shu)(shu) arithmetic(al) mean 算術(shu)平(ping)(ping)均(jun)數(shu)(shu)(shu)(shu)(shu)或等(deng)(deng)(deng)(deng)差中項 at random 隨機地 at right angles with 與……成直(zhi)(zhi)(zhi)角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao) be composed of 由構(gou)成 be equal to 與……相(xiang)等(deng)(deng)(deng)(deng) be equivalent to anther equation 與另一(yi)方(fang)(fang)程痛解(jie) be fewer than 小(xiao)(xiao)于(yu) be greater than 大(da)于(yu) be greater than or equal to 不(bu)小(xiao)(xiao)于(yu) be inscribed in 內接于(yu) be less than 小(xiao)(xiao)于(yu) be perpendicular to 垂直(zhi)(zhi)(zhi)于(yu) calculate to three decimal places 計算結果(guo)保(bao)留(liu)三位小(xiao)(xiao)數(shu)(shu)(shu)(shu)(shu) cancellation 約掉,消掉 common difference 等(deng)(deng)(deng)(deng)差數(shu)(shu)(shu)(shu)(shu)列(lie)(lie)的(de)(de)(de)(de)(de)(de)公(gong)差留(liu)學 common ratio 等(deng)(deng)(deng)(deng)比(bi)(bi)數(shu)(shu)(shu)(shu)(shu)列(lie)(lie)的(de)(de)(de)(de)(de)(de)公(gong)比(bi)(bi) common multiple 公(gong)倍數(shu)(shu)(shu)(shu)(shu) complement 余角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao) complementary angle 余角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao) complete quadratic (equation) 全二次方(fang)(fang)程 complex fraction 繁分(fen)(fen)數(shu)(shu)(shu)(shu)(shu) composite number 和數(shu)(shu)(shu)(shu)(shu),指大(da)于(yu)一(yi)而不(bu)是(shi)質(zhi)數(shu)(shu)(shu)(shu)(shu)的(de)(de)(de)(de)(de)(de)整數(shu)(shu)(shu)(shu)(shu) compound 混合物(wu); decimal place 小(xiao)(xiao)數(shu)(shu)(shu)(shu)(shu)位 decimal point 小(xiao)(xiao)數(shu)(shu)(shu)(shu)(shu)點 decrease 減(jian)(jian)少, degree 度(du)(du)(du)(du);度(du)(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(溫度(du)(du)(du)(du)和角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)度(du)(du)(du)(du)) denominator 分(fen)(fen)母 equality 相(xiang)等(deng)(deng)(deng)(deng),等(deng)(deng)(deng)(deng)式(shi) equation 等(deng)(deng)(deng)(deng)式(shi),方(fang)(fang)程 equiangular 等(deng)(deng)(deng)(deng)角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)的(de)(de)(de)(de)(de)(de) equidistance 等(deng)(deng)(deng)(deng)距離(li)的(de)(de)(de)(de)(de)(de) even integer 偶數(shu)(shu)(shu)(shu)(shu) geometric mean 幾何平(ping)(ping)均(jun)數(shu)(shu)(shu)(shu)(shu) geometric progression 幾何級(ji)數(shu)(shu)(shu)(shu)(shu),等(deng)(deng)(deng)(deng)比(bi)(bi)級(ji)數(shu)(shu)(shu)(shu)(shu) greatest common divisor 公(gong)約數(shu)(shu)(shu)(shu)(shu) halve 把……平(ping)(ping)分(fen)(fen)為二;將……減(jian)(jian)半(ban) hexagon 六邊(bian)(bian)形(xing) horizontally 水平(ping)(ping)地 hundreds 百位 hundredth 第一(yi)百個(ge)(ge);百分(fen)(fen)之一(yi) hypotenuse (直(zhi)(zhi)(zhi)角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)三角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)形(xing))斜邊(bian)(bian) radical 根號,根式(shi); radius 半(ban)徑 randomly 隨機地 rate 率,比(bi)(bi)率;速度(du)(du)(du)(du),速率;價(jia)格,費用 ratio 比(bi)(bi) rectangular 矩形(xing)的(de)(de)(de)(de)(de)(de);成直(zhi)(zhi)(zhi)角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)的(de)(de)(de)(de)(de)(de) reduce 減(jian)(jian)少、縮小(xiao)(xiao) regular 規則(ze)的(de)(de)(de)(de)(de)(de);定期的(de)(de)(de)(de)(de)(de);勻稱(cheng)的(de)(de)(de)(de)(de)(de);常規的(de)(de)(de)(de)(de)(de) remainder 余數(shu)(shu)(shu)(shu)(shu) remote interior angles 三角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)形(xing)一(yi)個(ge)(ge)外角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)對應的(de)(de)(de)(de)(de)(de)兩個(ge)(ge)內錯角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao) repeating decimal 無限循環(huan)小(xiao)(xiao)數(shu)(shu)(shu)(shu)(shu) rhombus 菱(ling)形(xing) right 直(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de) root 方(fang)(fang)根;方(fang)(fang)程的(de)(de)(de)(de)(de)(de)根 round 四舍五入 satisfy 使……成立(li) scale drawing 按比(bi)(bi)例(li)繪制(的(de)(de)(de)(de)(de)(de)圖) scalene 不(bu)等(deng)(deng)(deng)(deng)邊(bian)(bian)三角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)形(xing),不(bu)等(deng)(deng)(deng)(deng)邊(bian)(bian)的(de)(de)(de)(de)(de)(de) secant 割(ge)線(xian) section 斷(duan)面(mian)(mian),一(yi)部分(fen)(fen) cross section橫截面(mian)(mian) segment 弓(gong)形(xing); shaded region 陰影(ying) simple annual interest 年(nian)單利 simultaneous equations 聯立(li)方(fang)(fang)程組 slopewww.njsdy.com (直(zhi)(zhi)(zhi)線(xian)的(de)(de)(de)(de)(de)(de))斜率 solid 立(li)體(ti);立(li)體(ti)的(de)(de)(de)(de)(de)(de);實心的(de)(de)(de)(de)(de)(de) sphere 球體(ti) square 正方(fang)(fang)形(xing) straight angle 平(ping)(ping)角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao),指180度(du)(du)(du)(du)的(de)(de)(de)(de)(de)(de)角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao) straight-line distance 直(zhi)(zhi)(zhi)線(xian)距離(li) subdivide 再分(fen)(fen),細分(fen)(fen) such that 使得滿足…的(de)(de)(de)(de)(de)(de)條(tiao)件 surface area 表面(mian)(mian)積 X-axis X軸 X-coordinate X坐(zuo)標(biao)(biao)(biao) XY-coordinate system 平(ping)(ping)面(mian)(mian)直(zhi)(zhi)(zhi)角(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)坐(zuo)標(biao)(biao)(biao)系(xi),同XY-plane Y-axis Y軸 Y-coordinate Y坐(zuo)標(biao)(biao)(biao)
SAT數(shu)(shu)學(xue)詞(ci)(ci)匯之倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)數(shu)(shu)表(biao)達法 (一(yi))用(yong)(yong)(yong) times 表(biao)示(shi)(shi)(shi)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)數(shu)(shu)(一(yi)般限于包括基數(shu)(shu)在(zai)內三(san)(san)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)或三(san)(san)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)以上的(de)(de)(de)(de)(de)(de)數(shu)(shu)。表(biao)示(shi)(shi)(shi)兩倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)的(de)(de)(de)(de)(de)(de)數(shu)(shu),一(yi)般用(yong)(yong)(yong) twice )。其句式有: 1. “… times +形(xing)容詞(ci)(ci) / 副詞(ci)(ci)的(de)(de)(de)(de)(de)(de)比(bi)較(jiao)(jiao)級(ji)(ji)+ than …” 例(li)(li)(li)(li)如(ru)(ru)(ru): Line AB is three times longer than line CD. 線(xian)(xian)段 AB 是(shi)(線(xian)(xian)段) CD 的(de)(de)(de)(de)(de)(de)三(san)(san)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)長。 This hall is five times bigger than our classroom. 這(zhe)(zhe)(zhe)個(ge)大(da)(da)廳比(bi)我(wo)們(men)(men)(men)的(de)(de)(de)(de)(de)(de)教室大(da)(da) 5 倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。 2. “… times+ as + 形(xing)容詞(ci)(ci) / 副詞(ci)(ci)的(de)(de)(de)(de)(de)(de)原級(ji)(ji)+ as …” 例(li)(li)(li)(li)如(ru)(ru)(ru): This table is three times as long as that one. 這(zhe)(zhe)(zhe)張桌(zhuo)子(zi)是(shi)那(nei)張桌(zhuo)子(zi)的(de)(de)(de)(de)(de)(de)三(san)(san)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)長。 This dictionary is five times as thick asthe one you borrowed from the library. 這(zhe)(zhe)(zhe)本(ben)詞(ci)(ci)典的(de)(de)(de)(de)(de)(de)厚度(du)(du)是(shi)你從圖(tu)書(shu)(shu)館借的(de)(de)(de)(de)(de)(de)那(nei)本(ben)(厚度(du)(du))的(de)(de)(de)(de)(de)(de) 5 倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。 The plane flew ten times as high as the kite. 那(nei)架飛(fei)(fei)機飛(fei)(fei)行高度(du)(du)是(shi)那(nei)個(ge)風箏的(de)(de)(de)(de)(de)(de)十倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。(高出九倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)) 3. “… times + the + 名詞(ci)(ci)(如(ru)(ru)(ru): size, height, weight, length, width, age等)+ of…” 例(li)(li)(li)(li)如(ru)(ru)(ru): The earth is 49 times the size of the moon. 地球(qiu)(qiu)的(de)(de)(de)(de)(de)(de)體積是(shi)月球(qiu)(qiu)的(de)(de)(de)(de)(de)(de) 49 倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。 This river is three times the depth of that one. 這(zhe)(zhe)(zhe)條(tiao)(tiao)河是(shi)那(nei)條(tiao)(tiao)河的(de)(de)(de)(de)(de)(de)三(san)(san)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)深。 This street is four times the length of that street. 這(zhe)(zhe)(zhe)條(tiao)(tiao)街是(shi)那(nei)條(tiao)(tiao)街的(de)(de)(de)(de)(de)(de)四(si)(si)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)長。 4. “… times +more +名詞(ci)(ci)+ than …” 例(li)(li)(li)(li)如(ru)(ru)(ru): He earns five times more money than he did ten years ago. 他現(xian)在(zai)掙的(de)(de)(de)(de)(de)(de)錢比(bi)十年(nian)(nian)(nian)(nian)前(qian)掙的(de)(de)(de)(de)(de)(de)多 5 倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。 There are twice more students in our class than in theirs. 我(wo)們(men)(men)(men)班(ban)的(de)(de)(de)(de)(de)(de)學(xue)生人數(shu)(shu)比(bi)他們(men)(men)(men)班(ban)多兩倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。 5. “… times +as many (或 much )+名詞(ci)(ci)+ as …” 例(li)(li)(li)(li)如(ru)(ru)(ru): We've produced twice as much cotton this year as ( we did ) ten years ago. 今年(nian)(nian)(nian)(nian)我(wo)們(men)(men)(men)生產(chan)(chan)的(de)(de)(de)(de)(de)(de)棉(mian)花比(bi)十年(nian)(nian)(nian)(nian)前(qian)多了一(yi)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。(漢語中的(de)(de)(de)(de)(de)(de)多一(yi)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)實際上也(ye)指(zhi)兩倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)一(yi)樣多。) He has got three times as many books as his sister. 他擁有的(de)(de)(de)(de)(de)(de)書(shu)(shu)的(de)(de)(de)(de)(de)(de)數(shu)(shu)量(liang)是(shi)他妹(mei)妹(mei)的(de)(de)(de)(de)(de)(de) 3 倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。 6. “… times +what 從句” 例(li)(li)(li)(li)如(ru)(ru)(ru): The length of the road is four times what it was three years ago. 這(zhe)(zhe)(zhe)條(tiao)(tiao)路的(de)(de)(de)(de)(de)(de)長度(du)(du)是(shi)三(san)(san)年(nian)(nian)(nian)(nian)前(qian)的(de)(de)(de)(de)(de)(de) 4 倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。 The price of the meat is twice what it was last year. 肉價是(shi)去(qu)年(nian)(nian)(nian)(nian)的(de)(de)(de)(de)(de)(de)兩倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。 7. “…times + up on (或 over )…” 例(li)(li)(li)(li)如(ru)(ru)(ru): The size of the sun is a million times over that ofthe earth. 太(tai)陽的(de)(de)(de)(de)(de)(de)體積比(bi)地球(qiu)(qiu)的(de)(de)(de)(de)(de)(de)體積大(da)(da)一(yi)百(bai)萬倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。 He is three times up on your age. 他的(de)(de)(de)(de)(de)(de)年(nian)(nian)(nian)(nian)齡(ling)(ling)(ling)是(shi)你的(de)(de)(de)(de)(de)(de) 4 倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)(或:比(bi)你的(de)(de)(de)(de)(de)(de)年(nian)(nian)(nian)(nian)齡(ling)(ling)(ling)大(da)(da) 3 倍(bei)(bei)(bei)(bei)(bei)(bei)(bei))。 8. “… +by + …times ” 例(li)(li)(li)(li)如(ru)(ru)(ru): Compared with last year, our coal output has increased by three times. 與去(qu)年(nian)(nian)(nian)(nian)相比(bi),我(wo)們(men)(men)(men)的(de)(de)(de)(de)(de)(de)煤產(chan)(chan)量(liang)增(zeng)(zeng)長了 3 倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。 His speed is faster than mine by four times. 他的(de)(de)(de)(de)(de)(de)速度(du)(du)比(bi)我(wo)的(de)(de)(de)(de)(de)(de)快 4 倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。 9. “… times +compared with +被比(bi)較(jiao)(jiao)對象” 例(li)(li)(li)(li)如(ru)(ru)(ru): The number of the students in our school has increased four times compared with 1980. 我(wo)們(men)(men)(men)學(xue)校的(de)(de)(de)(de)(de)(de)學(xue)生人數(shu)(shu)比(bi) 1980 年(nian)(nian)(nian)(nian)增(zeng)(zeng)加(jia)了4倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。 10. “… times +that of + 被比(bi)較(jiao)(jiao)對象” 例(li)(li)(li)(li)如(ru)(ru)(ru): In this workshop the output of July was three times that of January. 這(zhe)(zhe)(zhe)個(ge)車間七(qi)月份(fen)的(de)(de)(de)(de)(de)(de)產(chan)(chan)量(liang)是(shi)元月份(fen)的(de)(de)(de)(de)(de)(de) 3 倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。 (二)用(yong)(yong)(yong)分(fen)(fen)數(shu)(shu)、百(bai)分(fen)(fen)數(shu)(shu)表(biao)示(shi)(shi)(shi)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)數(shu)(shu)。 例(li)(li)(li)(li)如(ru)(ru)(ru): The box is one-third bigger than that one. 這(zhe)(zhe)(zhe)個(ge)盒子(zi)比(bi)那(nei)個(ge)盒子(zi)大(da)(da)三(san)(san)分(fen)(fen)之一(yi)。 Last year the output value of industry was59 percent higher than that of 1976. 去(qu)年(nian)(nian)(nian)(nian)工業產(chan)(chan)值比(bi) 1976 年(nian)(nian)(nian)(nian)增(zeng)(zeng)長了 59 %。 My command of English is not half so goodas yours. 我(wo)英語掌(zhang)握得還不(bu)及你的(de)(de)(de)(de)(de)(de)一(yi)半兒(er)好。 (三(san)(san))用(yong)(yong)(yong) again (一(yi)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)), double (兩倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)), triple (三(san)(san)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)), fourfold (四(si)(si)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei))等詞(ci)(ci)表(biao)示(shi)(shi)(shi)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)數(shu)(shu)。 例(li)(li)(li)(li)如(ru)(ru)(ru): My Aunt is as old again as I am. 我(wo)姑姑的(de)(de)(de)(de)(de)(de)年(nian)(nian)(nian)(nian)齡(ling)(ling)(ling)比(bi)我(wo)大(da)(da)一(yi)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。 The top-brand clothes are often sold as double the normal price here. 這(zhe)(zhe)(zhe)里(li)衣服的(de)(de)(de)(de)(de)(de)售價經常(chang)比(bi)正常(chang)的(de)(de)(de)(de)(de)(de)售價高一(yi)倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。 The new work procedure tripled the output. 新工藝(yi)使產(chan)(chan)量(liang)增(zeng)(zeng)加(jia)兩倍(bei)(bei)(bei)(bei)(bei)(bei)(bei)。
