同时在不同盐度条件下对初孵的奥尼罗非鱼仔鱼进行耐饥饿试验，测定其不投饵存活系数（SAI）。
The effects of seawater salinity on hatching rate and survival activity index (SAI) of Epinephelus akaara were studied in the laboratory.
为了某些可取的特性，人类选择性地繁育野生植物或动物物种，这一开始是一个断断续续的反复试验过程，驱动它的是由来已久的紧迫之事——饥饿。
Selectively breeding a wild plant or animal species for certain desirable traits began as a fitful process of trial and error motivated by that age-old imperative: hunger.
在开始试验前的三小时内，这些女性被要求不能吃东西； 这样做的目的就是保证在测试进行时，每个被测试者的饥饿程度 是一样的。
The women were told not to eat for three hours before the experiment, so that they would all be tested with the same level of hunger.
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