This paper briefly introduced the application situation of various mining methods and the general trend of development.
本文简介了各采矿方法的应用情况及其总体的发展趋势。
The general situation about development of SA-210C high-pressure boiler tubes was described.
介绍了衡管SA - 210c高压锅炉管的产品开发情况。
We analyze the current situation of software engineering, the general development process model and general activities in the software development.
文章分析了软件工程的现状、软件工程中的一般活动，以及在现代软件的开发中使用的开发过程模型。
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