Using a double-grid hydrogen thyratron, a fast pulse generator with four outputs, high-voltage, low jitter, was made to use at special occasion.
采用双栅极氢闸流管作为主开关，研制成功一种四路输出高压低晃动快脉冲源应用于某种特殊场合。
2
Grids based on an even number of grid columns can suffer from too much symmetry if text and graphics are confined to individual or doublegrid columns throughout.
基于偶数的栅格可能会遭遇过于对称的困扰，假如文本和图形总是占据1 - 2个单元格的话。
3
The governing equations are discretized on uniform grids using the FiniteDifference method, and a doublegrid method is used for the mesh slice to save the time.