以下为句子列表：
英文: Firstly, the strain gauge method was used to measure the time difference of stress wave passing through two gauges adhered on the surface of test piece and also their main frequencies Secondly, a 3-component dynamometer was used to measure the resonant fr
中文: 本研究旨在研发两种新的应力波计测技术，其一为利用应变规来测定两标点间之应力波传递时间差及试材之共振频率，藉以计算试材之音速及动弹性系数，其二为利用三向动力计来测定试材之共振频率。
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英文: The investment will allow Delphi to improve its Engine Dynamometer Labs and Vehicle Emissions Labs at eight of the company's technical centers worldwide.
中文: 这项投资将使其发动机测功试验室和整车排放试验室成为其全球8大技术中心之一。
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英文: The results showed that the resonant frequencies measured by the strain gauge method and the 3-component dynamometer were exactly the same as those measured by the tap tone method.
中文: 结果显示两种方法所测得之试材共振频率均与由打音法测得者完全相同，故可用来取代打音法。
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英文: This paper introduces the concept of net virtual instrument, summarizes the modes to construct a net virtual instrument at present, and studies emphatically on the application of net virtual instrument technology to automobile chassis dynamometer and on t
中文: 摘要介绍了网络化虚拟仪器的概念，总结了目前组建网络化虚拟仪器的模式，重点研究了网络化虚拟仪器技术在汽车底盘测功机上的应用及其实现方法。
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