根据本文所述方法，已经研制成功了具有平动椭圆运动轨迹的PTZS振动筛。
According to the method presented in the paper, "PTZS" vibrating-screen with parallel motion...
分析得出目前广泛应用于钻井现场的各种运动轨迹振动筛中平动椭圆运动轨迹的振动筛筛分效果最好。
Analysis for a variety of vibrating screen are widely used in drilling that balanced elliptical vibration screen is the best.
根据动力学原理探讨了椭圆振动筛椭圆运动轨迹的形成及其影响因素，分析了附加扭矩对筛箱运动的影响。
By means of dynamic analysis of elliptical vibrating screen with double-axle, the effect of additional torque on the moving track of the vibrating screen case is discussed.
接着开普勒证明了这个椭圆轨道也能很有效解释其他行星的运行轨迹。然后他提出了行星运动定律，牛顿定律就是以此为理论基础的。
Kepler went on to show that an elliptical orbit is sufficient to explain the movement of the other planets and to devise the laws of planetary motion that Newton built on.
共面编队飞行的卫星星座的相对运动轨迹是一个椭圆，但卫星由于受摄动力的影响，其椭圆队形会发生变化。
The figure of the relative kinematical track of the formation flying will change which is in an ellipse because of the disturbing force from which the satellites suffer.
利用人因工程学的理论和方法，对椭圆机的机构形式、踏板和把手轨迹、结构尺寸、飞轮机构、运动负载等进行了分析。
Elliptical cross trainers are studied in the viewpoint of ergonomics, including the kinematics schema, loci of pedal and handle, parts dimensions, flywheel and loads, etc.
文中分析、证明了3 -RPS并联角台机构能实现空间三维卡当运动，其三维卡当运动在空间的运动轨迹为三坐标方向的椭圆簇。
It is proved that the 3-rps pyramid mechanism also has the three-dimensional CARDAN motion and the kinematic trajectory is an ellipse cluster.
椭圆齿轮行星系分插机构是高速水稻插秧机的一种旋转式分插机构 ，其秧针尖的运动轨迹和姿态决定了插秧机的工作性能。
The separating planting mechanism with planetary elliptic gears of high performance rice transplanter made in Japan could not meet the agronomic demand in South China.
椭圆齿轮行星系分插机构是高速水稻插秧机的一种旋转式分插机构 ，其秧针尖的运动轨迹和姿态决定了插秧机的工作性能。
The separating planting mechanism with planetary elliptic gears of high performance rice transplanter made in Japan could not meet the agronomic demand in South China.
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