ratio n. (pl. ratios) 1.比,比率,比值;比例;系数。 2.【经济学】复本位制中金银的法定比价。 the ratio 3:2 (读作 the ratio of three to two )3对2之比。 arithmetical ratio 公差,算术比。 direct ratio 正比。 inverse [reciprocal] ratio反比。 current ratio 电流比,电流变换系数。 nutritive ratio 营养率。 vt. 1.用比例方式表达;求出…的比值;使…成比例。 2.将(相片)按比例放大或缩小。
The hydration process of cement was analyzed and the basic standard ratio of rpc manufacture was put forward , and the best ratio was determined by the experiment on the total of 5 batches with 31 groups 分析了水泥熟料矿物的水化反应过程,提出了制作rpc200的基准配合比,并在其基础进行五批31组试件的配合比试验,确定了rpc200组分的最佳比例。
National standard ratio of electrolytical conductance is of import value to every department of industry and agriculture . for instance , the checking to water quality and the assessing to industrial water are the most evident 电解质电导率国家计量基准的建立对于工、农业生产、科学研究和国防各部门都有重要价值,其中环境水质监测、电子工业用水水质评定是最为突出的应用例子。