near-earth的例句大全

Gargantuan asteroid to pass near Earth this fall.

大量小行星今秋将与地球错身而过.

We've mapped more than a thousand near-earth objects.

我们探明了超过1000个的近地物体.

Horizontal distribution near earth's surface.

近地面水平分布气流线M52.

Even its visibility from near-earth orbit is questionable.

甚至从近地球轨道其可见度是值得怀疑的.

The static model and survey model about the near-earth space environment element were advanced.

提出了近地空间环境要素三维建模的静态模型和实测模型.

Eros is one of the planetoids which passes near the earth every now and then.

爱神星是一个时常靠近地球的小行星.

Most near earth remote sensing satellites adopt sun synchronous and recursive orbits.

近地轨道的遥感卫星绝大部分都采用太阳同步回归轨道.

NASA asteroid expert Don Yeomans, head of the agency's Near-Earth Object Program Office, told SPACE.com that the object which exploded over a thinly inhabited stretch of eastern Europe today was most likely an exploding fireball known as a bolide.

美国宇航局小行星专家、近地天体项目办公室负责人唐-耶麦斯告诉SPACE.com网站，在人烟稀少的远东地区上空爆炸的这颗天体很有可能是一颗火球，也称为火流星。

In this paper, the near infrared luminescence and upconversion luminescence properties of rare earth doped cadmium aluminium silicate ( CAS), calcium aluminium silicate ( CaAS) and calcium aluminium germanate ( CaAG) glasses have been studied.

本论文主要研究新型镉（钙）铝硅酸盐和钙铝锗酸盐玻璃中Er3+、Tm3+和Yb3+的近红外发光和上转换发光性质。

The air near the surface of the earth is warmer than that which is higher up, so when the water-vapour rises very high above the ground, it is cooled.

靠近地球表面的空气温度比高空的空气温度要高一些，因此，当水蒸气漂浮到高空时就会被冷却。

Synthesis, characterization and near-Infrared luminescence of rare earth complexes with a noncyclic crown-type Schiff base

开链冠醚Schiff碱-稀土配合物的合成、表征及近红外发光光谱研究