当需要时的英文

• when needed

• 当:    proper; right
• 需要:    need; want; require; demand; ...
• 时:    shí]
• 当需要时告诉你实情:    tells you the truth when you need to hear it
• 当需要时会告诉你实情:    tells you the truth when you need to hear it

例句与用法

1. If desired, the perturbed wave function may be normalized at the end of the calculation .
   当需要时，可在计算最后将微拢波函数归一化。
2. Tells you the truth when you need to hear it
   当需要时会告诉你实情
3. F / u : how do you make changes to processes whenever necessary
   接下来的问题是：当需要时你如何更改过程？
4. Help available when you need it
   当需要时可用的帮助
5. When necessary , the approach and test techniques can be fine - tuned
   当需要时，这种方法和测试技术可以很好融合。