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- gravitational force line 重力线
- Gravitational force from a shell;Hooke's 'law'. 利用积分推导球壳的引力;
- A mare on the moon having rock of greater density than that of the surrounding area, thus exerting a slightly higher gravitational force. 质量密集月球上的阴暗部,其内部岩石比周围地区的岩石的密度大,因此产生略大些的引力
- A gibbon is better adapted than a man for life in a low gravitational force. 长臂猿比人更能适应在低重力场中生活。
- Newton's problem was to express in mathematical terms the gravitational force between different bodies. 牛顿的目标是要用数学形式来表示不同物体之间的引力。
- The idea of an inverse-square law of gravitational force acting on the planets was in the air around Newton's time. 认为作用于行星的是平方反比定律的引力,这种看法在牛顿时代很流行。
- In his monumental work begun in 1666, Newton discovered three vital facts about the gravitational force. 牛顿在他开始于一六六六年的不朽的工作中,发现了有关万有引力的三个极其重要的事实。
- Inertial forces and gravitational forces are indistinguishable. 惯性力与引力是不可区分的。
- Application: Suitable for eletric force line of rated voltages up to and including1 KV. 一、途:用于交流额定电压1kv及以下的电力线路。
- The work of the gravitational force, therefore, depends only on the initial and final elevations and not on the path. 所以,重力的功仅取决于初高度和末高度,而与路径无关。
- Its main mission completed, Voyager turned Neptune's gravitational force into a celestial slingshot and sped toward a rendezvous with infinity. 主要任务完成以后,“旅行者”将海王星的引力转变为天体弹弓,迅速飞向无穷远的会合点。
- When rotating the magnet, the distribution of the magnetic field change,the direction of magnetic force line change accordingly. 当磁铁旋转时,磁场分布变化,磁力线走向也随之改变。
- In an analysis of the process in which Einstein established general relativity it is found that gravitational force is a fundamental problem in nature and even the whole universe. 对爱因斯坦建立广义相对论的过程进行了分析,引力问题是自然界乃至整个宇宙世界的一个基本问题。
- The tendency of growing parts, such as roots, to become oriented at right angles to the direction of gravitational force. 横向地性生长部分在地心引力的作用下倾向于适当角度,如植物的根
- Will eventually merge into one by their strong gravitational forces. 最终会因强大的引力而二合为一。
- Gravitational field is a kind of vector field, and the description of gravitational force by general relativity is very effective. 引力场是一种矢量场,广义相对论对引力问题的描述是非常有效的。
- This leakage has a profound effect on the gravitational force between objects separated by more than the critical distance. 这种能量的渗漏,对于超过某一临界距离的物体间的重力而言,有著深远的影响。
- At this time the Suns gravitational force partially offsets the Moons gravitational force causing lower than normal tides called neap tides. 这时,太阳的部分引力抵消月亮的引力,形成比平常还低的潮水,称为小潮。
- The stresses in the glenoid fossa were the greatest in the back slope of the articular eminence.The regions of the greater compressive stresses of the mandible were those around the force line. 下颌骨较大压应力区位于力的作用线周围区域,较大拉应力区位于下颌支后部及下颌角附近区域。
- With no outward forces to oppose gravitational forces, the remnant will collapse in on itself. 由于没有向外的力量对抗重力吸引,残留物就会向它自身里面崩塌。