The experiments on humidification desulfurization by high calcium coal ash were carried out at a thermo balance and a semi industrial test ring.

该文以热天平和半工业性热态试验系统对高钙煤灰增湿脱硫过程进行了研究。

youdao

But because of hard to fix test ring in bedrock, so report of domestic deep worked-out area overlying rock subsidence observation by layers have not yet been heard so far.

研究采空区剩余沉降对上覆建（构）筑物造成的危害程度，分层沉降观测是比较直观的方法，但由于基岩内测试环固定困难，在大深度采空区上覆岩层中进行分层沉降观测国内未见报道。

youdao

When people ring, they are often told about clinics outside their immediate community; in future they will be offered special test kits they can use at home.

现在人们打热线电话，会刻意安排到避开亲朋好友活动范围之外的诊所，将来还会提供他们在家就可以使用的医疗保健箱。

youdao

Those with ring fingers longer than index fingers did better on the math part of a standardized test than the reading part.

VOA: special.2009.02.25

Two years ago, she investigated a cheating ring on the SAT that led to tougher identification requirements for test takers.

WSJ: Cheating Claims Rock Long Island

Amla duly went to his third Test century - all scored against New Zealand - before being caught in the cover ring on 103.

BBC: Super Steyn crushes hapless Kiwis

Buying a diamond ring soon after buying petrol results in an even higher risk score: thieves often test a card's validity with a small purchase before buying something much bigger.

ECONOMIST: Computing