交易型 开放式指数基金（Exchange Traded Fund）；发动机试验设备（Engine Test Facilities）这是ETF的 意思
基于144个网页-相关网页
... embryo transfer freezing medium 胚胎移植冻结介质 engine test facility 发动机试验设备 engineering test facility 工程试验设备 ...
基于12个网页-相关网页
... engine test tool kit ==> 发动机测试工具箱 engine testing equipment ==> 发动机试验设备 engine testing room ==> 发动机试验室 ...
基于8个网页-相关网页
建议规定一种标准的试验设备和数据处理方法，以利于发动机气道试验数据的对比。
Finally the standard equipment and method of data processing are proposed to facilitate comparing the data of engine inlet port tests.
介绍了航空发动机叶片包容性试验验证的步骤、方法和试验设备；对包容试验评价标准提出了看法。
The step, method and test equipment of containment testing demonstration were presented. The view of evaluation criteria for containment test was also presented.
BP神经网络模型依据的是普通试验设备、少量试验数据，与发动机的数学模型无关。
BP neural network model is based on the general test equipments, less test datas and not relevant to the engine's mathematical model.
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