In this section, I show a variety of approaches to build on such a foundation to provide more comprehensive analysis in preparation for any aspect of systems optimization.
本节将展示构建此类基础的各种方法，以提供更加全面的分析，为系统优化的各个方面做好准备。
The invention relates to a preparation method for a cross-section transmission electron microscope sample after the self surface thereof is processed by nanocrystallization.
本发明涉及的是一种表面自身纳米化后横截面透射电镜样品的制备方法。
A section bar of a self tapping screw for saving drilling hole is provided with high-tightening force, which belongs to the design preparation technical field of the section bar.
可免钻孔上自攻螺丝并具有高紧固力的型材，属型材的设计制造技术领域。
A section bar of a self tapping screw for saving drilling hole is provided with high-tightening force, which belongs to the design preparation technical field of the section bar.
可免钻孔上自攻螺丝并具有高紧固力的型材，属型材的设计制造技术领域。
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