以下为句子列表：
英文: 1 In most cases, periodic evaluation of test and control materials is necessary to determine the variation in magnitude and direction of property changes as a function of exposure time or radiant exposure.
中文: 在大多数情况下,有必要定期评价试验材料和控制材料,以测定(涂料)属性改变在大小和方向上的变化.该变化是暴露时间或辐射曝露量的函数.
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英文: A good test suite shows what output should be expected for a set of test inputs, and that is a good way to explain the purpose of a method.
中文: 好的测试程序组可以展示针对一套输入应该有什么样的输出，并且这也是个好的方法来解释程序预期实现方法。
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英文: A: IELTS recognition in the US and candidature worldwide continues to soar because it is trustworthy, has a face-to face interview, a high level of security, is available in many countries and offers a wide range of test dates, which makes it a valuable a
中文: IELTS在美国的认可度和在全球范围的考生人数一直呈快速增长趋势，因为这个考试值得信赖，它包含面对面的口语测试，安全性高，在世界上许多国家都可以报考，而且考试日期多，这些都为美国院校提供了一个很有价值的选择。
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英文: About the problem of potential interference between WLAN and medical devices, this paper provide a series of test methods, requirements, flow and the evaluation on medical devices working status, after analyzing related poten-tial interference factors, wi
中文: 关于无线局域网设备是否会对医疗设备产生不良干扰问题的测试研究方案,测试参考了国际上和医疗无线干扰相关的标准,并借鉴国外一些医院的测试经验,在分析了无线局域网络对医疗设备潜在干扰的相关因素基础上,总结了一系列的测试方法和要求,并描述了测试流程及对医疗设备性能的评估。
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英文: Abstract: Making use of test data and some instances presented in test,it could be apprvoed that partial resonant vibrations of acoustics system occurred in ultrasonic hoing.Meanwhile,it was pointed out in this paper that flexible pole-oilstone holder cou
中文: 文摘:经试验证实了超声珩磨声学系统中存在着局部共振现象，指出“挠性杆-油石座”振动子系统设计时可作为一个单独的振动体系进行考虑，为超声珩磨声学系统设计开辟了一条新的思路。
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