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Tens of thousands of people have already been evacuated from the foothills of Mayon which on Monday emitted lava fountains powerful booming noises and other signs of an approaching eruption.

在数万人已被疏散马荣，山麓，在上周一喷泉喷出熔岩，强盛和繁荣的噪音接近爆发的其他标志。

The former consists of LaBe crystal cathode, Wehnelt grid and an accelerating anode, and the latter is comprised of two equal radius concentrating cylinder electrodes.Its well known that the x-ray radiation emitted by electron-beams acting on metal target surface has well developed for about 100 years.

LaB_6电子枪发射的电子束经过静电聚焦系统，被会聚为微米级的电子束斑，该微束斑电子束与固体金属靶相互作用，产生出微束斑的X射线，从而形成微束斑X射线源。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。