Electronic transmitting element, electron source, image display device and manufacture method thereof.

电子发射元件，电子源，图象显示装置及制造方法。

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In order to reduce the effect of wave reflecting on artificial boundary, transmitting boundary and semi-infinite element are respectively used to treat the lateral and underside boundaries.

考虑到人工截断边界上波反射对计算结果的影响，分别用传递边界和半无限单元来处理侧面和底面边界。

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Method, communication system, mobile station and network element for transmitting background noise information in data transmission in data frames.

在以数据帧形式的数据传输中用于发送背景噪声信息的方法，通信系统，移动台和网络单元。

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