proportion by weight

基本解释

A cup of filter coffee contains about three times as much caffeine as a cup of tea, although dry tea leaves do contain a higher proportion of caffeine by weight than coffee beans.
一杯过滤咖啡含有的咖啡因大约是一杯茶的3倍，尽管从重量上看，干茶叶所含咖啡因的比例确实比咖啡豆高。
The strength of the cement is low, the stability of volume is unqualified, primarily is to go together with raw materials mix proportion by weight what caused by inappropriate reasons .
水泥的强度低，安定性不合格，主要是配料不当的原因造成的。
This model is a combination of calculating the weight ratio of iron ore to flux in the simple calculating way with calculation of fuel proportion by thermal balance calculation.
这个模型是把利用烧结配料简便计算法求解矿石、熔剂配比与利用热平衡计算求解燃料配比的这两项烧结工艺基本计算有机地结合起来，在微型机上进行这些计算。