Three other extrasolar planets believed to be of rocky composition have been reported, but they orbit a pulsar - the flashing corpse of an exploded star - rather than a normal type of star.
之前人们曾报道过另外三颗据信由岩石组成的太阳系外行星，但是，它们是围绕着一颗脉冲星(恒星爆发后遗留的发光的残存物)运转的，而不是一颗常态的恒星。
Our computer simulations have shown that this type of orbit can be stable, but if you change things around just a little bit, it can become unstable very quickly.
我们做出的电脑模拟效果图显示，这一星系的运行轨道一般来说是稳定的，但是一旦其周围的物体发生变动，它就会瞬间变得不稳定。
As a new type of automatic door system, electric door has been employed gradually in orbit traffic vehicles.
电动门作为一种新型的自动门系统，在轨道交通车辆中被逐渐推广应用。
Change walking beam guide structure from slide bush type to glide orbit type, make walking beam move more dexterously and nimble, and with good movement rigidity.
行走梁移动导向结构由以往的滑套式改为滑动导轨式，便得行走梁运行更轻巧、灵活，运动刚性好。
In the practice of orbit construction, there will be different exploitation strength in the plot around metro station according to the station locates, station type and functional organization.
在轨道建设实践中，站点处于不同地段、不同车站类型、不同的用地功能组织，车站周边地块就会有不同的开发强度。
An ESA engineer working with engineers in the UK may have found a solution using a new type of orbit combined with continuous-thrust ion propulsion.
来自欧空局和英国的工程师们可能已经找到了解决方案——采用新型轨道与连续离子动力推进相结合的方式。
It has undergone new type rocket flight test, and gained high orbit injection accuracy in satellite launching.
并且此系统经历了新型火箭飞行试验，通过发射卫星，又取得了入轨精度的验证。
Overhead bridge crane is a bridge in the orbit of a bridge-type crane, also known as crane.
桥式起重机是桥架在高架轨道上运行的一种桥架型起重机，又称天车。
Overhead bridge crane is a bridge in the orbit of a bridge-type crane, also known as crane.
桥式起重机是桥架在高架轨道上运行的一种桥架型起重机，又称天车。
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