This love is not merely a blessed feeling. It is an active principle.
这个爱并不仅仅是一个甜美的感觉，而是一个叫人积极的原则。
Then the principle and structure of Active Power Filter is introduced.
接着对有源电力滤波器原理与结构予以介绍。
The basic principle and constitution of Active Magnetic Bearing System are introduced.
介绍了主动磁悬浮轴承系统的组成和基本原理。
The active drive principle of dot pattern LCD was discussed.
介绍了点阵型液晶模块的动态驱动原理。
Principle and class of active power factor correction(APFC) are introduced.
主要介绍了有源功率因数校正（APFC）的工作原理、电路分类。
The stable operating condition and designed principle of the active receiving antenna are also given.
并给出了该有源天线稳定工作的条件和设计原理。
The stable operating condition and designed principle of the active receiving antenna are also given.
并给出了该有源天线稳定工作的条件和设计原理。
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