1.Dhole predation on these ungulates did not differ from random.

1.豺情况则相当随机。

2.3.Food, temperature and predation pressure directly act on the value of venturous revenue and are major environmental factors affecting DVM of the copepod.

2.3．物、温度和捕压力影响风险收益值大小，是影响桡足类垂主要环境因子。