rank v排序 排行 n等級(jí) He ranked first in the class. The railroad novel was not treated as the first-rank novel. discrete 不連續(xù)的 離散的 separate A computer can perform millions of discrete functions per second. "symmetry 對(duì)稱(chēng)性，勻稱(chēng) balance, harmony (sym共同+metry測(cè)量——兩邊測(cè)量都一樣)" "sequence 序列 procession, progression" dual 二重的 兩層的 double， twofold "This stove has dual ovens, so you can bake bread and roast meat at the same time." induction 感應(yīng) 感應(yīng)現(xiàn)象 歸納 inference 推論 "circular 循環(huán)的 圓的 circuitous, roundabout" The carpenter used a special saw(鋸) to cut a circular hole. circulate 使循環(huán) The rumor circulated through the office. circulation 循環(huán) A tight ring cut off circulation to my finger. probability 可能性 或然性 概率 qualitative 性質(zhì)上的 定性的 dispersion 離差 差量 "vertical 垂直的 perpendicular, upright" "plumb 垂直的 straight, vertical" "upright 垂直的（地） 筆直的（地） vertical, upstanding" An empty sack cannot stand upright. cubic 立方體的 "circuitous 迂回的 indirect, roundabout" You could tell Mary was evading our question when she gaev a circuitous response. facet 平面 The stonecutter decide to improve the rough diamond by providing it with several facets. "sphere 球體 ball, globe" The earth is usually represented by a sphere. "loop 圈 環(huán) 環(huán)孔 circle, ring" triangle 三角形 circumference 圓周 The circumference of the round table is five feet. cone 圓錐 The top of a cone comes to a sharp point caliber 口徑 diameter 直徑 "figure 圖形 形狀 design, shape" circle 圓周 圓形物 派系 循環(huán) cube 立方體 立方 column 圓柱 柱狀物 angle 角落 角 area 范圍 區(qū)域 面積 地區(qū) 空地 ellipse 橢圓 橢圓形 "diagram 圖表 sketch, drawing" A good diagram helped me assemble the bike. polygon 多角形 多邊形 "intersect 相交 cross, meet" These two fences intersect at the creek. radius 半徑 rectangle 長(zhǎng)方形 矩形 square 正方形 廣場(chǎng) 平方 直角尺 parallel 與..平行vt 平行的 His paintings parallels that of Qi Baishi. deduction 扣除 扣除之量 推論 演繹法 degree 度數(shù) 度 程度 geometry 幾何學(xué) mathematics 數(shù)學(xué) arithmetic 算術(shù) Arithmetic is a basic school subject statistics 統(tǒng)計(jì)學(xué) 統(tǒng)計(jì)表 even 平的 偶數(shù)的 odd奇數(shù) The children skated on the sidewalk's even surface. decimal 十進(jìn)制的 小數(shù) The metric system（公尺法 公制） is a decimal system. "ratio 比率 proportion, rate" The ratio of men to women is 3 to 1. "estimate 估計(jì) gauge, compute" I estimate that Tom will be promoted to department manager. calculate 計(jì)算 估計(jì)count 計(jì)劃 Mary calculated her monthly expenses. "enumerate 枚舉 計(jì)數(shù) count, numerate" Sam can enemerate all the presidents of the United States. "evaluate 評(píng)價(jià) 估計(jì) estimate, assess" The assessor evaluated the plot of land before Anne solt it. variant 變量 variable variable 變量 abacus 算盤(pán) aggregate 合計(jì) 總計(jì) 集合體 sum 總數(shù) 和 金額 算術(shù)題 calculation 計(jì)算 考慮 calculator 計(jì)算機(jī) 計(jì)算器 calculus 微積分學(xué) digit 阿拉伯?dāng)?shù)字 手指或足趾 一指寬 function 函數(shù) subtract 減去 deduct "If you subtract 2 from 6, you get 4." addition 加法 minus 負(fù)的 減的 減去 復(fù)數(shù) multiply 乘 增加 multiplication 乘法 增加 multiplication table 乘法表 numeral 數(shù)字 percentage 百分?jǐn)?shù) 百分率 百分比 plus 加上 正的 加的 equation 等式 1+2= 3 is a simple equation. quarter 四分之一 A quarter of a century would be 25 years. fraction 分?jǐn)?shù) divide 分割 除 The woman's estate was divided among her children.