Before she was twenty-five she had accomplished this condition.
不到二十五岁,她就完成了这个任务。
Starting with waveguide ray theory, the condition for single-mode waveguide is derived, and design of single-mode strip waveguide is accomplished with effective index method.
从导波的射线理论出发,导出了波导单模条件,运用有效折射率法完成了单模波导的优化设计。
In depressurized condition, multi-scheme experiments of propeller hydrodynamics performance have also been accomplished under different number of cavity and ratio of submergence.
减压情况下,通过既改变空泡数又改变浸深比的多方案螺旋桨水动力性能试验来建立和完善半浸桨空化性能试验技术。
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