查询词典 meteoroid

Likewise,诸如, it would appear a reasonable hypothesis that the Earth has also been subjected to meteoroid bombardment in the past, and that very large bodies struck the Earth early in its geological history.

它显示出了一个可能的假设，地球在过去受到流星炸弹，而那非常大的实体打击地球早在它的地质历史。

The LunarScan software was originally developed in 1999 to process video imagery of meteoroid impacts on the moon collected by Dave Dunham during the Leonid meteor storm of that year.

该LunarScan软件最初是在1999年处理视频图像的流星体的影响在月球上收集的戴夫邓纳姆在狮子座流星暴雨的一年。

From momentum equation and energy equation, the ablation profile of meteoroid with different radius in different velocity is calculated, and the variation of the ablating cut-off height is analyzed.

本文从流星颗粒的动量方程和能量方程出发，计算不同半径下的流星微粒在不同的注入速度下的消融剖面，并分析了流星消融截止高度的变化趋势。

Using Sentinel,"we can discover new meteoroid streams that could pose a threat to spacecraft and satellites—or just put on a pretty show from time to time."

使用"哨兵"我们能发现可能对太空船和人造卫星造成威胁的新流星雨，或者只是时不时上演一场漂亮的流星秀。

In the solar system are a large number of small meteoroids, and some groups of the meteoroid is, the meteor is the product of the collapse of the comet.

太阳系中还有数量众多的大小流星体，有些流星体是成群的，这些流星群是彗星瓦解的产物。

If a meteoroid enters the Earth's atmosphere, it is heated by friction and appears as a glowing streak of light called a meteor.

如果一个流星体进入地球的大气层，它因为摩擦而受热，并且表现为炽热飞跑的光，被称为流星(meteor或者 shooting star)。

Cooke is especially interested in centimeter-class meteoroids because he and his colleagues at the NASA Meteoroid Environment Office frequently see them hitting the Moon.

库克对厘米级的流星体尤其感兴趣，因为他和美国宇航局流星体环境办公室的同事们经常看到小流行撞上月球。

Under sponsorship by the NASA Meteoroid Environment Office the software was ported from Macintosh to PC compatible systems as well as a frame-to-frame registration algorithm implemented and tested for more robust flash detection.

赞助下由美国航天局流星体环境厅的软件是从苹果机移植到PC兼容的系统，以及作为一个帧到帧的注册算法执行和测试，更强大的闪存检测。

Spacecraft ; Meteoroid ; Space debris ; High velocity impact ; Risk analysis

航天器；微流星；空间碎片；高速撞击；风险度分析

There are many factors which influence the selection of spacestation orbit,such as mission requirements,radiation environment,meteoroid/debris environment,configuration of space station,vehiclecapability,launch window and logistics demands of space station.

有许多因素影响空间站轨道高度的选择，包括：任务要求，辐射环境，微流星和空间垃圾，空间站构型，运载器能力，发射窗口以及空间站的补给要求等。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。