This paper deals with the gasdynamic process of the spherical piston in a weak field of gravitation.
本文研究在弱引力场中活塞球对称运动的气体动力学过程。
But, at present, curriculum policy in counties is still a weak field in the study of our countrys curriculum policy.
就目前来说,县域课程政策却是我国课程政策研究的薄弱领域。
And practicality engineering design and test adjustment, a best installation of LCX to solve weak field in mountain area is find out.
并且通过实际运用中的工程设计和测试调整,找出lcx的最佳配置,解决山区无线列调盲区及弱场区问题。
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