crude fertility rate.
一般受孕率
crude rate of increase.
粗略增长率
Marriage Rate or Crude Marriage Rate
结婚率或粗结婚率
Improved the apparent metabolic rate of dry matter, energy and crude protein.
提高日粮干物质、能量和粗蛋白的代谢率。
These mortality figures are against a crude birth rate of37.9 and a total fertility rate of6.2.
这些死亡率数字与37。9得粗出生率和6。2得总和生育率相反。
Meantime, these characteristics also make it difficult to predict crude oil tanker freight rate.
这些特征使得油运指数的预测变的非常困难。
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