难度系数的英文
“难度系数”对应的英文单词有：degree of difficulty ，一共1个，具体意思及用法如下：
degree of difficulty[体]难度系数
与难度系数相关的短语
难度系数评估Risk factor assessment
攀爬难度系数Leading grade
动作难度系数factor;difficulty of figures
难度系数范围2dif2 intNULL
试题难度系数Question Difficulty Coefficient
每一个洞的难度系数Handicap Index