The axial cavum measurement device was used to simulate the input impedance of the body antenna based on the theory of long line.
本文基于长线理论用同轴线测量装置模拟弹体天线的输入阻抗值，使引信在同轴线测量装置中其工作状态和自由空间一样。
For a long time, the study to Keynes in the academic circles of our country is mainly on his theory of effective demand, which is the general line and key of Keynes's economics.
长期以来，我国学术界对凯恩斯的研究主要着眼于他的有效需求论，该理论也是凯恩斯经济学的总纲和核心。
This method explained how to program using a trade line at long distance and explained the basic theory of communication.
这一方法展示了如何通过一条商业电话线对芯片进行远程重编程，说明了信息通讯的基本原理和基本要求。
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