In a perfect union, we find the strength we cannot find in ourselves. But the strength of the union cannot be known until it is tested.
在完美的结合中，我们获得无穷的力量，但结合的力量只有经受考验，才能知其强弱。
But developing the line of code that changes the page is simple, and variations of the code can be tested until it works perfectly.
但是开发能更改页面的代码很简单，而且还可以对代码进行测试直到它能很好地工作为止。
Where ground water is encountered, it shall be kept below the pipe by means of pumping until the pipe has been satisfactorily tested and backfilled.
如地下水中遇到的，它应保持低于管的方式抽水，直到管道已得到令人满意的测试，并回填。
Until the method is properly tested, it must not be used for locating the target.
这种方法必须经过 严格的试验，才能用来为目标定位。
Horace Lamb A Traveler who refuses to pass over a bridge until he has personally tested the soundness of every part of it is not likely to go far;
一个不亲自检查桥梁每一部分的坚固性就不过桥的旅行者，是不可能走远的；
Horace Lamb A Traveler who refuses to pass over a bridge until he has personally tested the soundness of every part of it is not likely to go far;
一个不亲自检查桥梁每一部分的坚固性就不过桥的旅行者，是不可能走远的；
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