Addressed in herein are the structure of the power system and the method of energy balance analysis.

文章对平流层飞艇能源系统的构成、部件及能源平衡分析方法作了介绍。

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Based on the principle of energy balance, a model and an analysis method of active and reactive loops for capacitor motor analysis was presented.

从能量平衡的基本思想出发，提出单相电容电动机的一种有功、无功双回路模型及其实用分析方法。

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Three methods for gravity field recovery are mainly studied from the views of observation equation, (1) numerical differential method, (2) energy balance approach, (3) numerical integration method.

从建立观测方程的角度来说，主要研究了三种恢复地球重力场的方法：(1)数值微分法，(2)能量守恒法，(3)数值积分法。

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