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- aircraft strengthen frame 敏度阈值
- AN APPLICATION OF GRADIENT VARIABLE-THRESHOLD TOPOLOGY OPTIMIZATION IN AIRCRAFT STRENGTHENING FRAME DESIGN 基于敏度阈值拓扑优化方法在飞机加强框设计中的应用
- Examples to strengthen frame column with increasing section method 加大截面法加固框架柱实例
- It is a systematic attempt to strengthen our competitive ability. 那是为增强我们的竞争能力而作的有计划的努力。
- The aircraft was flying above thick fog. 飞机在浓雾上空飞行。
- The speed of this aircraft is very high. 这架飞机的速度非常快。
- He assembled the model aircraft bit by bit. 他一块一块地装配飞机模型。
- He has been brought in to strengthen the defence. 已请他来加强后卫力量。
- Enemy aircraft dropped bombs on the city. 敌机向这个城市投掷炸弹。
- The watchtower followed the aircraft by radar. 瞭望塔通过雷达追踪这架飞机的行踪。
- The bevel of that picture frame was damaged. 那个镜框的斜角已被损坏了。
- About two thousand men were ganged out to strengthen the works. 约有二千人编组成军加强防御工事。
- There's not much leg-room in these aircraft. 这些飞机的坐位没有什麽伸腿的空间。
- Her slight frame was shaken by bouts of coughing. 她纤弱的身躯因阵阵咳嗽而发颤。
- Artillery and aircraft were involved in the action. 在这次战斗中，使用了大炮和飞机。
- The painter stretched the canvas on a frame. 画家把油画布紧绷在画框上。
- He sat at the controls of the aircraft. 他坐在飞机的操纵装置前。
- The aircraft company deals with freight only. 这家航空公司只经营货运业务。
- It is not easy to true up a frame. 做个标准的框架也不容易。
- All aircraft must fuel before flight. 所有飞机飞行前都必须加油。
