实数: real number线: thread; string; wire数线: number line; numberline实数: 1.[数学] real; real number2.(实在的数字) the actual amount or number参数线: parameter line读数线: reading line分数线: grade cut-off point minimum passing score borderline; grade cut-off point; minimum passing score; borderline; minimum passing score指数线: exponential line【数学】实数。: real number超实数: hyperreal numbers; surreal number实数部: real part实数乘: real multiply; rm实数的: real实数集: real number实数加: real add实数减: real substract; rs实数论: theory of real number实数商: quotient of real numbers; quotientofrealnumbers实数系: real number system实数域: field of real numbers; real number field实数值: rreal-value实数制: numerical rating systems实数轴: axially of real; real line; real number axis正实数: arithmetic number; positive real number半对数线图: semi-logarithmic line graph; semilogarithmic line chart