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- Fluid motion caused by an external force such as gravity. 流体运动由重力等外力引起的流体运动
- An external force is one whose source is outside the system. 外力是来源于系统之外的力。
- The damage was caused by external forces. 损害是由外力引起的。
- Mass flow occurs as a result of external forces. 质体流动的发生是由于外力的结果。
- The discrete element method (DEM) model of two-level isolation system impacted by external force is developed. 提出了外力冲击的二级隔离系统的dem模型。
- Enterpriser satisfaction is an internal motive and customer satisfaction is an external force. ES是内在动力源泉 ,而cs是外部作用力量。
- A body at rest remains at rest and a body in motion continues to move at a constant speed in a straight line unless acted upon by an external force. 除非受外力作用，否则静止物体将保持静止，运动的物体将继续作匀速直线运动。
- When a body is at rest, or in motion with constant velocity, the external force acting upon it are in equilibrium. 当物体处于静止或作匀速运动时，作用在其上的外力是平衡的。
- Any system capable of a free vibration without external force is a counter example, e.g. a wire in the piano. 任何一个无外力而能自由振动的系统就是一个反例，譬如钢琴中的一条钢丝。
- At equilibrium the resultant of all external forces vanish. 在平衡时，所有外力的合力为零。
- External Force: force applied to object inside of system by objects outside of system. 外力:系统外部物体施加给系统中物体的力。
- The play portrays a good marriage torn apart by external forces. 这出戏描写了一段被外部势力拆散的好姻缘。
- At equilibrium the resultant of all external forces vanish . 在平衡时，所有外力的合力为零。
- Geologic vestiges formed in the long period of earth evolvement under the action of the internal and external force. 摘要地质遗迹是指在地球演化的漫长地质历史时期，由内外动力的地质作用形成、发展并遗留下来的珍贵的不可再生的地质自然遗产。
- The motion of the axis of a spinning body, such as the wobble of a spinning top, when there is an external force acting on the axis. 进动当受到外力作用时旋转体轴的运动，如旋转陀螺般的摇摆
- Primary position of executer unit without external force adding to executer unit. 没有外力加在操动器上时，操动器的最初位置。
- Under the melting condition, floccular fibril is made via external force and blow. 这种间隙可看作孔隙。因此，玻璃棉可视为多孔材料，具有良好的绝热吸声性能。
- Force needed to make executer unit without external force adding to executer unit . 使操动器从自由位置移动到极限位位置所加的力。
- And it ordinarily happens in the sudden changing,as sudden stop,fast move,jump and extern force etc. 它一般发生在突发性的变向动作中,如急停、急起、起跳和外力冲撞等。
- A new approach is provided for parameter design of two-level isolation system impacted by external force, consequently. 为外力冲击的二级隔离系统的参数设计提供了一种新方法。
