The effects of tempering weld-pass treatment on toughness of HAZ of X80 pipeline steel were studied by the technique of welding thermal simulation and the method of microscope analysis.
采用焊接热模拟技术和显微分析方法，研究了回火焊道热处理对X80级管线钢焊接热影响区韧性的影响规律。
This is a technique called Maximum Aperture, and is done by adjusting the Settings on your digital camera to let more light pass through the lens.
这种技巧称为“最大光圈”，通过调整数码相机设置，让更多光线进入镜头，便可完成。
By theoretical analysis, numerical simulation and experiment research, the Interleaver based on optical all-pass filter technique is investigated.
对基于光全通滤波技术的奇偶交错滤波器进行了理论分析、数值模拟和实验研究工作。
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