有一个环形轨道。
张力做了功吗，在环形轨道的例子里，也许法向力做了功？
Is the tension doing any work and in the case of my circular track is, perhaps, the normal force doing any work?
它满载食物，燃料，零部件以及环形轨道前哨急需的物资。
It was laden with food, fuel, spare parts, and much needed supplies for our orbiting outpost.
我站在那里看小火车吱吱嘎嘎地在环形轨道上自己开着。
I stood and watched the train chug around the loop of track without me.
远处，过山车飞驰过环形轨道时候人们的尖叫声阵阵传来。
In the distance she could hear the screams of the people in the shiny cars, as they circled the roller coaster course.
环行起重机的环形轨道和承轨梁的连接方法，涉及核电站用环行起重机。
The invention discloses a method for connecting a circular track with a bearing-rail beam of a polar crane, relating to a polar crane for a nuclear power station.
结合旋转电弧开关和环形轨道开关特点，设计了一种旋转电弧、场畸变气体火花开关，有效地减少了气体火花开关电极烧蚀，提高了气体火花开关寿命。
The high current which flows in the closing gas spark switch results in the electrode erosion that influences largely the switch performance especially for the lifetime.
负电荷在运动，它们处在一个环形的轨道中。
You've got negative charge in motion, and it's in a circular orbit.
这家餐馆在本周初开业，在餐厅内座位区周边，有一个环形的轨道。
The restaurant, which opened earlier this week, has a circular seating design with a track placed around the perimeter of the seating area.
这有点像是突然转向的赛车在环形赛道上相撞，月亮们也在同一轨道公转，所以他们之间的相对速度很小。
Like racing cars that swerve and hit each other on a circular track, the moons' speed relative to each other is low because they travel in nearly the same orbit.
它在地球的轨道上做环形运动。
一个NASA安放在印度的首个无人绕月轨道飞行器Chandrayaan - I上的雷达发现了40个环形山，直径从1英里到9英里不等，环形山内有大量的冰。
A NASA radar aboard India's Chandrayaan-I lunar orbiter found 40 craters, ranging in size from 1 to 9 miles across, with pockets of ice.
但是光网络的生存性问题仍旧是城市轨道交通关注的焦点，特别是对环形光网络研究和应用。
But the survival problem of optical network is still the focus of city rail transit, especially studying and using the ring optical network.
因此，炮弹由直线运动变成高速的环形运动，现在正沿一条椭圆形轨道绕着月亮飞行，变成了一颗真正意义上的卫星。
The rectilinear movement has thus become changed into a circular motion of extreme velocity, and it is now pursuing an elliptical orbit round the moon, of which it has become a true satellite.
箭头所指的看上去像新形成的环形山明显要亮的多，因此在克莱芒·蒂娜环月轨道探测器所拍摄的蓝光和近红外合成照片中就会显得更蓝。
This fresh-looking lunar crater (arrowed) appears significantly brighter, and thus inherently bluer, in a Mosaic of blue-light and near-infrared images from the Clementine spacecraft.
伴随着轨道器一起，美国国家航空航天局的月球环形山观测侦测卫星会向月球南极释放两颗冲击器。
Accompanying the orbiter, NASA's Lunar Crater Observation and Sensing Satellite will drop two impactors into the South Pole of the moon.
伴随着轨道器一起，美国国家航空航天局的月球环形山观测侦测卫星会向月球南极释放两颗冲击器。
Accompanying the orbiter, NASA's Lunar Crater Observation and Sensing Satellite will drop two impactors into the South Pole of the moon.
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