If you a teacher or a broadcaster, then test that useful, or no use.
如果你是教师或播音员的话考那个有用, 不然没什么用。
And creep test of concrete is also useful for cantilever's building.
而且做好混凝土的徐变试验，对悬臂施工也是很有帮助的。
An echocardiogram is the most useful test to diagnose heart failure.
超声波心动图在心力衰竭诊断方面得作用最为显著。
If you want to test, to test a Vouching Clerk is also more useful to some.
你如果要考, 去考个单证员还更有用一些。
The test indicates that it is useful for suppressing vibration when slaking the gap.
试验表明，消除该间隙后振动得到了很好得抑制。
He said the test might be more useful for assessing the efficacy of vaccination programmes.
他说这种测试可能对于评估疫苗接种的效果更加有用。
Test research provided experimental basis for useful life assessment and prolongation of disk.
试验研究为轮盘定寿、延寿提供了试验依据。
A useful test for diagnosis of infectious diarrheas is stool examination for ova and parasites.
感染性腹泻诊断的检查是大便检查寻找卵和寄生虫。
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