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- Helicopter Direction Net 直升机指挥网
- The paper presents methods of automatic checking adjustment of additional systematic error parameter in adjustment computations in side direction net. 提出了用于边角网平差计算的附加系统误差参数自检校平差方法，分析了边角网的可靠性和精度。
- Based on this principle, a simply and direct net method to distinguish the singularity of the parallel manipulator is derived. 依据此原理得到一种新的判别并联机器人机构奇异的简捷方法。
- SDG (Signed Directed Graph) is a directional net graph that is composed of a series of nodes. 即符号定向图,是由一系列节点与和节点之间有方向的连线(又称支路)构成的网络图。
- The shipwrecked sailors were rescued by helicopter. 遭遇海难的水手已经被直升机救起。
- The helicopter had off when we got here. 当我们到达时,直升机已经起飞了。
- We were whirled away in a helicopter. 直升机迅速把我们运走。
- The helicopter hovered over the house. 直升飞机停留在那房子上空。
- Food is being lifted in by helicopter. 食品正用直升机空运进来。
- In a little while we lost our sense of direction. 一会儿我们就辨不清方向了。
- The helicopter landed with Joe at the controls. 直升飞机在乔的操纵下降落。
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- "Helicopter" is clipped to "copter". "Helicopter"可被缩略成"copter"。
- The criminal escaped by a helicopter. 罪犯乘直升机逃走了。
- The signpost points in a westerly direction. 路标指向西。
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- Are we going in the right direction? 我们走的方向对吗？
- The admiral visit the ships under his command by helicopter. 舰队司令乘直升机视察他所指挥的军舰。
- Stones were flying about in every direction. 石块朝四面八方乱飞。
- He pointed vaguelyin my direction. 他粗略地朝我的方向指了指。
