The F-35B Lightning II short takeoff/vertical landing (STOVL) variant has demonstrated during testing that it produces excess vertical thrust - more than required to carry out its missions.

这架F - 35B闪电II短距/垂直起降（STOVL）改进型已经证明，它在测试中产生了更多超过其履行使命规定的垂直推力。

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Follow usability guidelines and carry out usability testing with real users and you should find that your ecommerce website is not only usable, but very effective as well.

遵循可用性原则并让真实用户进行可用性测试，你会发现你的电子商务网站不仅仅可用，而且更加有效。

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Despite some improvements, NTPs in all WHO regions reported drug stock-outs, too few laboratories, weak quality control, and limited facilities to carry out culture and drug susceptibility testing.

尽管有了某些改进，但是所有世卫组织区域的国家结核控制规划报告了药品缺货、实验室太少、质量控制薄弱以及设施有限，不能开展培养和药品敏感性试验。

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Retailers have agreed to carry out testing of beef products in the wake of horsemeat contamination concerns after several high-profile discoveries in supermarket and food manufacturers.

BBC: DNA test

Committee chairman Anne McIntosh said the FSA has to become more "fit for purpose" and should be given statutory powers to force producers to carry out testing.

BBC: Chiller room in a slaughterhouse

The nuclear treaty will establish a centre in the UK to develop testing technology and another one in France to carry out the testing.

BBC: Cameron and Sarkozy hail UK-France defence treaties