C 1. 因素,要素 fact, circumstance, etc. that helps to produce a result
C 2. 〈数〉因子,因数 number, except 1, by which a large number can be divided exactly
词汇搭配
动词+～
add〔constitute〕 a factor 增加〔构成〕一种因素
mobilize〔reduce〕 factors 调动〔减少〕因素
形容词+～
all factors 一切因素
external factor 外因
key factor 关键因素
various factors 各种因素
名词+～
amplification factor (电子管的)放大系数
windchill factor 风寒指数
介词+～
increase by a factor of four 增加三倍,增加到四倍
～+介词
factor in …的因素
factors in career success 事业成功的因素
句型例句
They have analyzed various factors.他们分析了各种因素。
Industry and modesty are the chief factors of his success.勤奋和谦虚是他成功的主要因素。
He doesn't know how to resolute into factors.他不知道因数怎样分解。
3 and 5 are factors of 15.3和5是15的因数。
