The system structure has a strongantijamming ability, stability and reliability in computer em-bedded industry control and test system.

该系统结构具有很强的抗干扰能力，在计算机工业控制与检测系统中能稳定可靠地工作。

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Objective: To probe into the conformity of 5-mark system quality of living scale and asthma control and test (ACT) scale for bronchial asthma patients.

探讨5分制支气管哮喘病人生存质量量表与哮喘控制测试量表（ACT）的相符情况。

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The overall control and test technology for spherical radius of curvature, central thickness, surface accuracy anddecentring error of lenses have been discussed.

讨论超高精度要求的球面曲率半径、透镜中心厚度、球面面形与透镜偏心差等各项指标的综合控制技术与检测方法。

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And then he had them take a comparative and control group an intelligence test and a memory test.

然后他对比他们和对照组的,智力和记忆力测试结果。

哈佛公开课 - 幸福课课程节选

Detecting any effect would require that both the control group and the test group were enormous.

ECONOMIST: How to assess scary stories about vaccines

Try this quiz from the US Centers for Disease Control and Prevention to test your knowledge of antibiotics.

BBC: Action on antibiotics

There has been one hiccup: In August, an unmanned spacecraft veered out of control during a test flight and had to be destroyed.

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