地球

Covering much of the earth's surface is a blanket of water.

地球表面的大部分被水覆盖。

Earth is a circle of the world.

地球是一个循环的世界。

Run a colony of people who left planet earth.

运行一个殖民地的人谁离开地球。

This group is an outgrowth of the international geophysical year; but its program has broadened from geophysics to include mapping and biology.

这个组织是国际地球物理学年会的一个派生机构，但是它的项目已经从地球物理学拓展到地图测绘和生物学。

This group is an outgrowth of the International Geophysical Year; but its program has broadened from geophysics to include map ping and biology.

这个组织是国际地球物理学年会的一个派生机构，但是它的项目已经从地球物理学拓展到地图测绘和生物学。

The story begins in 1952, when the International Council of Scientific Unions decided to establish July 1, 1957, to December 31, 1958, as the International Geophysical Year because the scientists knew that the cycles of solar activity would be at a high point then.

故事开始于1952年，当时国际科学联合会理事会，决定建立1957年7月1日至1958年12月31日，作为国际地球物理年，因为科学家们知道周期的太阳活动将在高然后点。1954年10月，安理会通过了一项决议，要求人工卫星发射期间卵黄绘制地球表面。

There two large highland areas: Ishtar Terra in the northern hemisphere and Aphrodite Terra along the equator (about the size of South America).

有两个大的高原地区：伊什塔尔地球北半球和阿佛洛狄忒地球沿赤道。

In Late Latin, in referring to the sea, mediterr neus probably meant originally "in the middle of the earth" rather than "surrounded by land," for to the Mediterranean cultures without knowledge of much of the earth, the Mediterranean Sea was in the center of the world.

在近代拉丁语中，当 mediterraneus 这个词用来指地中海时，其最早的含义可能是&在地球中央的&，而不是&被陆地所包围的&，因为对于缺乏有关地球知识的各地中海文明来说，地中海就是世界的中心。

" In Late Latin, in referring to the sea, mediterr 3 s probably meant originally "in the middle of the earth" rather than "surrounded by land, for to the Mediterranean cultures without knowledge of much of the earth, the Mediterranean Sea was in the center of the world.

在近代拉丁语中，当mediterraneus 这个词用来指地中海时，其最早的含义可能是&在地球中央的&，而不是&被陆地所包围的&，因为对于缺乏有关地球知识的各地中海文明来说，地中海就是世界的中心。

In Late Latin,in referring to the sea, mediterr 3 neus probably meant originally .in the middle of the earth.rather than .surrounded by land,.for to the Mediterranean cultures without knowledge of much of the earth,the Mediterranean Sea was in the center of the world.

远离海岸的，内陆的。。在近代拉丁语中，当 mediterraneus 这个词用来指地中海时，其最早的含义可能是。在地球中央的。，而不是。被陆地所包围的。，因为对于缺乏有关地球知识的各地中海文明来说，地中海就是世界的中心。

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。