本研究以计算流体力学的方法，对电子构装产品的明日之星- - -球栅阵列封装方式，来进行详细的热传分析。
In this study, the computational fluid dynamics approach is employed to analyze the heat transfer for ball grid array package that is popular in modern electronic industry.
所幸的是，美国环境保护署(Environmental Protection Agency, EPA)开展了一项“能源之星”项目，该项目确定电子产品使用能源的标准。
Fortunately, there's energy Star, a program from the U. S. Environmental Protection Agency that sets standards for how much energy a given gadget can use.
所幸的是，美国环境保护署(Environmental Protection Agency, EPA)开展了一项“能源之星”项目，该项目确定电子产品使用能源的标准。
Fortunately, there's energy Star, a program from the U. S. Environmental Protection Agency that sets standards for how much energy a given gadget can use.
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