In the construction phase of every modern software package, the practice of testing plays a central role.
在每个现代软件包的构造阶段，测试这一实践都扮演着中心角色。
The uses of this software package in practice have shown that it is effective for users to obtain the satisfied results of design and optimization for the relevant inter-coolers.
运行实践表明，使用冷却器设计与优化设计软件包可以获得满意的设计和优化设计结果。
The practice had indicated this configuration software package is reliable and simple, has the strong practical value.
实践表明了该组态软件包可靠简便，具有较强的实用价值。
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