标日初级超详细笔记
1. 日语假名及其发音一览 平 片 罗 平 片 罗 平 片 ...
1. 日语假名及其发音一览 平 片 罗 平 片 罗 平 片 ...
In recent years, the research and developments in the area of RF and microwave technologies have progressed significantly due to the growing demand fo...
Since the advent of optical communications, a great technological effort has been devoted to the exploitation of the huge bandwidth of optical fibers....
In this thesis several asp ects of space-time pro cessing and equalization for wire- less communications are treated. We discuss several di?erent meth...
加氢反应器设计压力8.82Mpa,设计温度425℃,材料2 1/4Cr-Mo,尺寸Di(内径)4400×132mm。其中纵向焊接接头和角接焊接接头采用埋弧自动焊,环向对接接头焊缝采用手工电弧焊封底,埋弧自动焊盖面。相关练习题...