weight gain ratio

基本解释

Finally, body weight gain, feed conversion ratio and feed intake were measured.
试验测定了银狐的采食量、饲料转化率及体增重。
Final body weight, gain, feed consumption, and feed conversion ratio were collected and subjected to Analysis of Variance.
仔猪饲喂颗粒饲料26天，记载与计算最终身体的重量，增重，饲料耗损量及饲料转化率，并进行方差分析。
However, diets of different protein level and protein-energy ratio had a great influence upon body weight gain, antler output and the digestion and metabolism of various nutritional substances.
但日粮不同的蛋白水平和蛋能比却对增重、产茸量及各种营养物质的消化、代谢影响很大。

That might not seem like much, but considering most rigid robot arms can only lift a fraction of their own weight, it represents a sizable gain in strength-to-weight ratio.
ENGADGET: iRobot's AIRarm prototype bot has an inflatable arm for manipulating objects, was built at DARPA's behest