考虑到波导壁厚度的影响，导出求解缝隙的口面场、散射场和等效参数的表达式。
Considering the effect of waveguide wall thickness, the expressions for solving the fields on the surfaces of the slot, the scattering fields and the equivalent parameters are derived.
使用FDTD法对由两正交矩形波导构成的宽壁缝隙耦合器进行了严格的分析。
A rigorous analysis of a broad wall slot coupler composed of two crossed rectangular waveguides by using FDTD method is presented.
注脂螺栓连接是钢结构无滑移连接的一种新方式，通过在螺杆与孔壁缝隙间填充环氧树脂的方式，达到无滑移的目的。
Injection bolt gives an alternative to slip resistant connection. For injection bolt, the clearance between the bolt and the wall of the hole is completely filled with a two component resin.
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