built-in check

基本解釋

MFJ-299 has a built-in battery check circuit.
MFJ-299 有一個內建的電池檢查線路。
www.skycar.net.cn
A built-in butterfly-shaped check valve for an insulating jacket serves heat insulating function.
一種具有保溫設置的保溫夾套內裝式蝶型止廻閥。
ip.com
There is a built-in check as part of the installation to ensure that product prerequisites are met.
作爲安裝的一部分還提供了內置檢查，以確保滿足産品要求。

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.
講這些的原因在於，你們將要看到的是，在絕大部分語言中，好的，Python中帶著一些,會檢查你的static的東西，抱歉，是你的語法。
麻省理工公開課 - 計算機科學及編程導論課程節(jié)選

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.
ECONOMIST: Why Americans have plenty of time to read this
Both landers had mechanical arms, to gather soil samples, and built-in labs to check for biological activity.
NEWYORKER: The Martian Chroniclers
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.
NPR: Invoking the State Secrets Privilege