管道设计软件包是工厂设计系统的重要组成部分。
The pipe design software package is the important part of a Plant design System.
第七章介绍了开发的月球探测器轨道设计软件包。
Chapter 7 introduces the software tool kit of lunar orbital design.
本文阐述了大侧斜螺旋桨设计软件包的功能及其使用特点。
A highly-skewed propeller (HSP) design package has been developed, its feature and function are described.
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