This test works, more or less, as follows

该测试工作或多或少有点类似下面的情况

youdao

When I spoke to him, he started by explaining just how the simply kind of test works.

当我和他谈起时，他便向我讲述这个多么简单的检查是怎样进行的。

youdao

In other words there is no possible situation where they are all true together. That's why that test works.

换言之，不可能有情况，他们都同时为真，这也是为什么测试有效。

youdao

The assembly plant in Hamtramck,Michigan where LeBlanc works has already built about 55 test vehicles.

VOA: standard.2010.07.30

And that's basically trying to make sure our program has not regressed, as to say, gone backwards in how well it works. And so we always test it on everything.

这只是从根本上确保,我们的程序并没往后退，也就是说在可用性方面倒退了,因此我们在任何东西上,都要进行这样的测试。

麻省理工公开课 - 计算机科学及编程导论课程节选

Results of a study published on Wednesday appear to confirm that the new test works.

BBC: Starting blocks

And if the test works, more snakes could be confronting death from above.

CNN: Deadly mice to rain down on Guam snakes

The means test works by paying more to pensioners without savings.

ECONOMIST: From richer to poorer