地球的

The Sun's Parallax: The size of the earth as viewed from the Sun and expressed as an angle and generally taken to be 1/2 the diameter at the equator is 8.9008091 seconds of arc using 91848,817 miles as the mean distance to the sun and 3,963.4914 miles as the equatorial radius.

太阳的视差：作为太阳和地球的大小看作为一个角度表达，普遍采取的是1月2日在赤道，直径为8.9008091弧用平均91848，817英里秒距离太阳和赤道半径3，963.4914英里。

Eratosthenes knew that the distance between Alexandria and Syene was approximately 800 kilometers, because he hired a man to pace it out.

和Syene之间的距离约略是800公里，因为他雇用人用脚一步一步地走而算出来的。800公里乘上50是40，000公里：这应该是地球的圆周了。

In the third century B.C. in Alexandria, the Greek scholar Eratosthenes relied on both geometry and reports of the sun's annual appearance almost directly over Aswan to calculate Earth's circumference, arriving at an estimate close to the actual distance.

在亚历山大公元前第三世纪，希腊学者 Eratosthenes 依据几何学和每年太阳出现在阿斯旺差不多正上方的记录来计算地球的周长，估计的数字接近实际距离。

Existence and the rationality of everlastingness are human intrinsic concerns, and. sustainable development expands such rationality in a broader space socially and globally.

生存和永续的理性是人类与生俱来的，可持续发展将人类这种理性扩展到了全社会和整个地球的空间。

In the end, this squeezing breaks apart field lines in the plasma sheet

最后等离子层中的磁场线被中断，远离地球的磁尾形成一个独立的环，被太阳风吹走

Smith's growth,but also gets a tour of a futuristic Earth and all thefoibles of human society.

斯的成长，而且得知了一系列未来地球的情况和人类社会所有的弱点。

Photo Gallery: Tropical Rain Forest Wildlife Some studies estimate that ants make up an amazing 30 percent of the total biomass of Earth's tropical rain forests, far exceeding that of mammals.

意译：热带雨林野生动植物图片集。一些研究表明估计蚂蚁群体超过30％惊人的总生物量在地球的热带雨林，远远的超过哺乳动物。

Is the universe black hole reflection Gamma ray and Earth's resonance frequency is same, with solar radiation dual function.

就是宇宙黑洞反射的伽马射线和地球的谐振频率相同，和太阳辐射的双重作用。

The field of geobiology explores the relationship between life and the Earth's physical and chemical environment.

该期刊是在2003年新创办的刊物，它主要是探究生命和地球的物理、化学环境之间的关系。

Illusion has been, the earth in the end what is the internal, and when I read Travels geocentric, I can not help but are more interested in science, and at the same time the film was wonderful story attracted deep.

曾经幻想过，地球的内部到底是什么，而当我看了地心游记之后，我不禁对科学更感兴趣了，同时被电影精彩的故事情节深深的吸引了。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了