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- spinning attitude dynamics 自旋姿态动力学
- Topics extend to analysis of both aircraft flight dynamics and spacecraft attitude dynamics, based upon presented principles and equations of motion. 课题扩展分析了航天器飞行动力学和太空船飞行姿态动力学，这些建立在当前的运动理论和方程式上。
- Through the linearization of the nonlinear dynamics, the linear time-invariant attitude dynamics with physical parameter of the subminiature rotorcraft in hover is obtained. 通过把非线性模型在悬停点线性化，得到用物理参数描述的系统姿态运动的线性模型；
- Applications to aerospace engineering are discussed, including introductory topics in orbital mechanics, flight dynamics, inertial navigation and attitude dynamics. 亦将讨论动力学在航天工程上的应用，包含轨道力学，飞行力学，惯性导航与姿态动力学。
- Further simplification of the control design process could be realized by dividing the rotorcraft dynamics into translational dynamics and attitude dynamics by using singular perturbation theory. 为了简化控制器设计，利用奇异扰动理论，把复杂的动力学模型降阶为两个子系统，即平移动力学和姿态动力学；
- The spacecraft attitude control system is designed via a backstepping method,considering the attitude dynamic model on conditions that flywheels are adapted as actuatoss. 研究了航天器的姿态控制问题。考虑了飞轮作为执行机构的姿态动力学模型,应用退步控制理论设计了姿态控制算法。
- The motorcycles were spinning along at full speed. 摩托车正全速疾驰。
- The attitude of grownups has changed. 成年人的态度已有了转变。
- The lorry went into a spin on a patch of ice. 卡车在一片冰地上打滑了。
- Let's go for a spin in my new car. 坐我的新汽车兜一圈吧。
- He asked for help in a suppliant attitude. 他以恳求的态度要我帮忙。
- The car is spinning along120 li per hour. 这车正以每小时120里的速度行进。
- He has a mellow attitude to life. 他对生活有种成熟的看法。
- He undertook to defend this attitude. 他开始为这一态度辩护。
- His attitude is antipathetic to me. 他的态度使我反感。
- His condescending attitude really gets my back up. 他那种居高临下的恩赐态度实在使我很生气。
- I've been in a real spin all morning. 我整个上午都晕头转向的。
- The pitcher gave a spin to the ball. 投手使球旋转。
- The blow sent him spinning back against the wall. 他被打得晕头转向，撞在後面的墙上。
- His attitude to his job is rather casual. 他的工作态度不太认真。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
