那些曾经托举着玻璃气象预报板的波纹圆柱，那些灯柱和它们的盘蛇雕饰，那些雕花的环形铁栏杆，现在就堆在了防波堤的下面。
The fluted columns that once held glass weather screens, the lampstands with their coiling serpents, the flowering and curling iron balustrades, are stored in heaps under the sea wall.
利用等离子体流体模型和线性场理论，分别导出了无限薄环形等离子体填充圆柱波导和无限薄环形等离子体填充波纹波导中的色散关系。
By means of fluid model and linear field theory, the dispersion equation of the electromagnetic wave propagation along a cylindrical waveguide filled with an infinitely thin annular plasma.
特别适用于对有波纹环的圆柱形工件外表面进行上釉处理。
The utility model is in particular suitable for glazing on the cylindrical work-piece surface with corrugated rings.
应用推荐