The magnetic field distribution produced by displacement current in charging circular parallel plate condenser is discussed by using the concept of magnetic potential.

应用磁场矢势的概念讨论了充电圆形平行板电容器中的位移电流所产生的磁场分布。

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A parallel plate condenser with installation of drying air, lighting and charging is provided, which can keep charge numbers constant in demonstration experiment.

介绍一种具有干燥、照明和充电系统的演示实验装置，该装置使平行板电容器在演示时能保持所带电荷基本不变。

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The parallel-flow type condenser is a new type of high coefficient and compact heat exchanger, being popular in the auto air-conditioning but not in the residential airconditionings.

平行流冷凝器是一种新型高效紧凑式换热器，目前主要应用于汽车空调中，但对其应用于家用空调器中的研究较少。

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