The results from this paper provide a reference for the thermodynamic performance evaluation on the basic heat transfer process through a duct and enhancement in double sides of duct.
结果和方法对进一步完善基本对流换热过程的热力学评价具有一定的意义，同时为换热管双侧强化传热时性能的评价提供理论基础。
A simple photoelectric system is described in this paper. We choose the optimum diaphragm through measuring the optical transfer function with different dimensional double ringed diaphragms.
设计了一个简单的光电系统，测量了不同尺寸的双环光阑的光学传递函数，从中选出了最佳光阑。
This paper describes a scanner high-end that USES double interface to enhance transfer rate for high volume image data.
介绍一种采用双机接口的，提高大容量图象数据传输性能的电分机高端联网系统。
The once-through steam generator with double-side heat transfer component was presented in this paper. And the component is composed of straight tube outside and helix tube inside.
介绍了一种双面换热的套管式直流蒸汽发生器，其元件由直管外管和螺旋内管组成。
The once-through steam generator with double-side heat transfer component was presented in this paper. And the component is composed of straight tube outside and helix tube inside.
介绍了一种双面换热的套管式直流蒸汽发生器，其元件由直管外管和螺旋内管组成。
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