与proportion搭配的介词是in,比如in the proportion of按…的比例,in proportion成比例,这样的短语,而与rate搭配的介词多为at,如 at a rate of。
具体可看下面几个句子:
*the unemployment rate ** r**ing in that country.
那个**的失业率正在上升
*the car was going at ...
yield rate:收益率;生利率。yield demo:产量演示。重点词汇:yield:出产;产生;提供;屈服;让步;放弃;缴出;产量;产出;利润。扩展资料: 双语例句: 1、it indicated that the yield rate of n-acetyl-dl-phenylalanine synthesized from dl-phenylalanine was88. 试验结果表明,...