proportion by weight

基本解釋

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.
一杯過(guò)濾咖啡含有的咖啡因大約是一杯茶的3倍，盡管從重量上看，干茶葉所含咖啡因的比例確實(shí)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 .
水泥的強(qiáng)度低，安定性不合格，主要是配料不當(dāng)?shù)脑蛟斐傻摹?/li>
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.
這個(gè)模型是把利用燒結(jié)配料簡(jiǎn)便計(jì)算法求解礦石、熔劑配比與利用熱平衡計(jì)算求解燃料配比的這兩項(xiàng)燒結(jié)工藝基本計(jì)算有機(jī)地結(jié)合起來(lái)，在微型機(jī)上進(jìn)行這些計(jì)算。