Using system science methods to study the system control of pest insect population, has an obvious social significance and practical value.
以系统科学方法研究害虫种群系统的控制，具有明显的社会意义和实践意义。
The Earned Value Management is practical and has a wide prospect on weapon equipment development, but the limitation of the method is obvious.
指出了挣值管理方法是一种很有实际意义的项目管理方法，在武器装备研发项目中有着广阔的应用前景。
According to the station Pudian the practical effects of point of view, system is running stable, energy-saving results are obvious, with a spread value.
同时根据浦电路车站的实际使用效果来看，系统运行稳定，节能效果显著，具有推广价值。
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