In order to increase the irradiation power density of local view point, the low loss Teflon microwave lens focusing energy of microwave is used near the irradiating horn.

为了提高局部观察点的辐照功率密度，在辐照喇叭口采用了低损耗聚四氟乙烯微波透镜以聚焦微波能量。

Applying the mechanics of the propagation of high power microwave in atmosphere and the theory of plasma physics, a sort of new conception antenna-active lens antenna based on plasma is put forward.

应用高功率微波大气传输机理和等离子体物理理论，提出了一种新概念天线等离子体有源透镜天线。

The screen will issue a few microwave and harmful rays, time is long will damage the eyes of the lens, cause vision loss.

荧光屏会发出少量微波和有害射线，时间久了会损害眼睛的晶状体，导致视力减退。