built in check

基本解释

MFJ-299 has a built-in battery check circuit.
MFJ-299 有一个内建的电池检查线路。
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There is a built-in check as part of the installation to ensure that product prerequisites are met.
作为安装的一部分还提供了内置检查，以确保满足产品要求。
Installations with suction lift require a good quality foot valve to avoid loss of prime - remove in-built check valve.
进水口的安装需要使用一个品质优良的底阀，以避免进水口压力损失- 拆除内置式止回阀。
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The reason for pulling this out is, what you're going to see is, that in most languages, all right, Python comes built-in with something that will check your static, sorry, your syntax for you.
讲这些的原因在于，你们将要看到的是，在绝大部分语言中，好的，Python中带着一些,会检查你的static的东西，抱歉，是你的语法。
麻省理工公开课 - 计算机科学及编程导论课程节选

The beauty of such surveys, which are also collected in Australia and many European countries, is that they cover the whole day (not just the time at work), and they also have a built-in accuracy check, since they must always add up to 24 hours a day.
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Both landers had mechanical arms, to gather soil samples, and built-in labs to check for biological activity.
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It's generally agreed that it's of tantamount importance, but there is no built-in mechanism to check that the privilege is being used honestly and only as a last resort.
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