Some field tests, including measurements of horizontal displacement, nail force and et al. , of a soil-nailed project are described and comprehensive analyses of the results are given.

通过对一个土钉支护基坑工程的水平位移和土钉拉力等力学参数的现场测试和分析，较全面地研究其在施工阶段和使用阶段的工作性能。

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Field tests suggest that with some modest additional protection, smartphones are robust enough for use and special batteries can prolong time between charges.

现场试验表明，在有适度额外保护的情况下，智能手机从使用角度来讲足够坚固；另外特质电池也可以在充电期间延长使用时间。

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Many scholars had some attempts for the interaction of pile-soil, but the field tests on pile groups with prototype size were seen seldom.

多年来，许多学者对于“桩与土的共同作用”做了一些尝试，但是作为现场原位试验的情况就很少了。

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But the estimates aren't based on independent field tests of actual emissions, and some scientists said that's a problem.

NPR: EPA Methane Report Further Divides Fracking Camps