center of a circle：圓心

real number, rational number 實數(shù),有理數(shù)? irrational(number) 無理數(shù) | center of a circle 圓心 | chord 弦

class number of a rational simple algebra：有理單代數(shù)的類數(shù)

有理簇|rational variety | 有理單代數(shù)的類數(shù)|class number of a rational simple algebra | 有理等價|rationally equivalence

non rational function：非有 函 ,無 函

non-random 非隨機的 | non-rational function 非有 函 ,無 函 | non-real number 非實

rational proper fraction：有理真分式

rational prime number 有理素數(shù) | rational proper fraction 有理真分式 | rational rank 有理秩

decimal","an integer plus a proper fraction：小數(shù)

"帶分?jǐn)?shù)","mixed number","the numerator greater than denominator" | "小數(shù)","decimal","an integer plus a proper fraction" | "有理數(shù)","rational number","a fraction expressed in tenths, hundredths,etc"

rationalisation：有理化

rational number 有理數(shù),可比數(shù) | rationalisation 有理化 | raw data 原始數(shù)據(jù)

Rationalizing substitution：有理代換法

Rational function :有理函數(shù) | Rationalizing substitution :有理代換法 | Rational number :有理數(shù)

Rationalizing substitution：在理代換法

Rational function :在理函數(shù) | Rationalizing substitution :在理代換法 | Rational number :在理數(shù)

ratting machine：抗磨試驗機

rational number 有理數(shù) | ratting machine 抗磨試驗機 | rattler loss 磨損,磨耗率,磨損失重

hundredths：有理數(shù)

"小數(shù)","decimal","an integer plus a proper fract... | "有理數(shù)","rational number","a fraction expressed in tenths, hundredths,etc" | "無理數(shù)","irrational number&am