通过用漂浮的PP球更换标准球，重力球形止回阀可以改造为适用于空气或气体排气口。
Gravity ball check may be converted for air or gas venting by replacement of standard ball with floater PP ball.
宇宙中每一物体的每个引力都会对宇宙产生一个指向物体本身的拉力，就像在重力作用下，抛向空中的球会被拉回地面。
All the gravity of all the mass in the cosmos should have been pulling the universe back inward, just as gravity pulls a ball back down to Earth after it's been thrown into the air.
因为重力是常数，经验丰富的中卫和前锋可以算出重力的影响，尽可能迅速的把球传到前场。
Because gravity is a constant, experienced quarterbacks and kickers can account for its effects to move the ball downfield as efficiently as possible.
那么猴子和球之间的距离,是多少-,两条轨迹间的距离-,一条轨迹忽略重力，另一条则相反？
So what now is the distance - between the monkey and the golf ball-- - the distance between the two trajectories-- one trajectory, no gravity;the other with gravity?
导出了重力、高程变化及相互关系在球坐标系中的理论和数值计算公式。
The theoretical and numerical formulas for gravity and height variations in spherical polar coordinates are derived.
依据岩石圈弹性挠曲均衡补偿理论建立地形-均衡补偿重力、大地水准面异常的球谐级数表达式。
Base on theory of lithosphere elastic flexure isostatic compensation, the spheric harmonic series expressions of topography-isostasy compensation gravity and geoid are established.
常出现一些模糊认识，即认为单摆在振动中所受的回复力就是摆球所受重力与绳子拉力的合力，显然，这是错误的。
To state the restoring force of a simple pendulum during oscillation is the resultant force of the gravity of the ball and the pulling force of the thread is wrong .
体验零重力、参加全美橄榄球联盟、在世界图书百科全书上出篇文章，我猜你可以看出我很小就是书呆子了。
Being in zero gravity, playing in the National Football League, authoring an article in the World Book Encyclopedia - I guess you can tell the nerds early.
物品范围从墙壁，摇摆，木板，球和绳索到重力发电机和发动机以及许多其他的东西。
Objects range from walls, swings, boards, balls and ropes to gravity generators and engines and many others.
重力场球谐函数系数可以通过正则化方法由重力梯度算出。
The spherical harmonic coefficients of the gravity field can be obtained from gravity gradients through regularization scheme.
球谐分析在地磁学与地球重力学中得到广泛的应用。
The method of spherical harmonic analysis is using widely in geomagnetic and gravitation.
重力俘获。球摆，杠杆，离地时的摩托车。
Gravitational capture, rod-pendulum, lever, motorcycle lift-off.
重力场计算中，经常需要计算以有限阶球谐级数表示的重力场元。
There are many gravity quantities expressed by finite spherical harmonic series expansions in the computing for geopotential.
地球扰动位的球谐展开式表示是地球重力场模型应用最广泛的一种表示方法。
The harmonic series formula of the Earths disturbing potential is the most extensive applicable expression for the Earths gravity field model.
本文提出几种计算球壳重力的精确公式，用以减少布格改正和地形改正中的计算误差。
This paper presents some exact formulas for calculating the gravity of the part of spherical lamella in order to decrease the errors in Bouguer and t...
利用360阶的EGM96地球重力场球谐系数计算了不同深度球层的密度异常及不同深度球层的构造应力。
According to spherical harmonic coefficients of 360 orders of EGM96 Earth's gravity field model, density anomaly and tectonic stress in different depth of crust have been calculated.
月球重力场的恢复依赖于对绕球探测器的跟踪观测，可恢复重力场模型的最高阶次与观测数据分布的密集程度之间满足一定的关系。
The recovery of the lunar gravity field model depends on the tracking observation of lunar detectors, the highest lunar gravity model order is connected with denseness of the tracking data.
因为普通圆珠笔在有重力的情况下方可工作。主要是重力作用油墨，使圆珠在球座内滚动，带出笔芯内的油墨或墨水，以达到书写的目的。
Because ordinary pens rely on gravity, while you write, gravity forces the ink down onto the ball, which rolls inside its socket and spreads the ink on your writing surface.
而是恰恰相反，“反手正打”是利用反手握拍去回击冲着你的中路和正手位的抽杀和重力扣杀的来球。
The technique I'm talking about is actually the exact opposite: the "backhand grip forehand shot" is done by using a backhand to return a shot (usually a drive or a smash) on your forehand side.
而是恰恰相反，“反手正打”是利用反手握拍去回击冲着你的中路和正手位的抽杀和重力扣杀的来球。
The technique I'm talking about is actually the exact opposite: the "backhand grip forehand shot" is done by using a backhand to return a shot (usually a drive or a smash) on your forehand side.
应用推荐