地球

By far the most heavily traveled route was that between the Sol system and its first and most populous colony system, Alpha Centauri.

至此，最繁忙的星间商路在地球和它最初且最多人口的殖民地半人马阿尔法星间。

The presence of the Dinosaur Kingdom was a dream broadcast upon Earth by the creator-souls of Alpha Centauri, also home to the Grays and Reptilians.

恐龙王国的出现是由半人马α座的造物灵魂播送到地球上的梦想。半人马α座也是灰人与爬虫的故乡。

Pandora's scientific name isCentaur Alpha B-4,it is a planet in the Alpha Centauri galaxy, whose size is similar with the Earth.

潘多拉学名"半人马阿尔法B-4"，是半人马阿尔法星系中的一颗星球，大小和地球差不多。潘多拉并不是一个行星，它其实是一个巨型气体行星的卫星。

Pandora's scientific name is"Centaur Alpha B-4",it is a planet in the Alpha Centauri galaxy, whose size is similar with the Earth.

潘多拉学名"半人马阿尔法B-4"，是半人马阿尔法星系中的一颗星球，大小和地球差不多。潘多拉并不是一个行星，它其实是一个巨型气体行星的卫星。

JT91-200 artillety gyro altazimuth is a fix instument which can research the grid north automatically and determine grid north azimuth at any direction.It works by making use of the physical features of gyro and influences of earth rotation.

JT91-200型炮兵陀螺经纬仪是利用陀螺本身的物理特性和地球自转的影响，实现自动寻找其北方向和测定任一方向线的真北方位角的定向仪器。

As we turned, the earth and the moon alternately appeared in our windows.

当我们转动时，地球和月球轮番出现在窗外。

Questioner: Is it possible for an entity here on Earth to be so confused as to call both the Confederation and the Orion group in an alternating way, first one, then the other, and then back to the first again?

发问者：一个地球上的实体，是否有可能因同时交替呼求星际联邦与猎户集团而变得混乱，先是前者，再是后者，又回到前者？

One common method uses alternating layers of welded wire matting with layers of compacted back-fill earth from the landscaping site.

一个常见的方法是使用电焊交替层与层压实回席子，填补网站的美化地球。

Based on many researching results in the world, in this paper, the developing history and application of satellite altimetry have been introduced.

研究和确定地球重力场是大地测量的主要任务之一。

The editing criteria of multi-satellite altimeter data are devised and data are pre-processed. In order to realize the full potential of satellite radar altimetry data, it is necessary to take into account a number of error sources and apply their associated corrections with an accuracy that is compatible with the proposed measurement precision.

分析并研究了卫星测高误差的来源及其削弱或消除方法，以用户手册的编辑标准为基础，参照并综合国际上同行的编辑方法，制定了针对不同测高数据的编辑准则，改善了各种地球物理改正的精度。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。