The Ares I-X is expected to make an unmanned, two-minute flight at the end of the month to check out basic design concepts and gather engineering data.
为了检验其基本设计理念,同时收集工程数据,预计战神一号X型将在本月底作一次两分钟的无人驾驶飞行。
The soil parameter is the basic parameter in the soil engineering design, but the variety of soil parameter have the very strong region characteristic.
岩土参数是岩土工程设计的基本参数,而岩土参数的变化具有很强的地域特征。
It also introduces the basic points of how to use the software engineering method and the database design theory to develop software.
同时介绍了如何运用软件工程方法和数据库设计理论来开发软件的基本要点。
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