一旦识别，他们将只存储一次。

Once identified, they are stored only once.

youdao

一旦确定了测试的目标是只覆盖变更的功能，那么来自于未变更代码区域的结果就可能从一次构建转移到下一次。

Once tests have been targeted to cover only changed function, any results from unchanged areas of code may then be carried forward from one build to the next.

youdao

一旦行为确立下来，可以一周只给一次食物奖励，但是他应该是在你每次叫他的时候都会过来。

Now once this behavior is established, the animal can be reinforced once a week, but will continue to come.

youdao