查询词典 planetary

Many objections can be raised to this picture of planetary nebula formation .

形成行星状星云的这一图象可能会引起许多异议。

The Sun is expected to go through its own Planetary Nebula phase .

再过五十亿年，太阳预期也会进入行星状星云阶段。

The star primarily responsible for this interstellar sculpture can be found in the planetary nebula's center.

至于造成这座星际雕塑品的始作俑者，我们可以在行星状星云的中心看到此恒星的尊容。

A planetary nebula is an expanding cloud of gas ejected from a star that is nearing the end of its life.

行星状星云一个由来自中心濒临死亡恒星所释放出的气体组成的正在膨胀的星云。

The Helix planetary nebula is constructed from matter ejected by a dying Sun-like star, almost 690 light-years away.

这种螺旋行星状星云是由一颗即将消逝的恒星所喷发出来的大量物质所有形成的，大概距离地球690光年。

The spoke features seem to indicate that the Helix Nebula is itself an old and evolved planetary nebula.

这种辐条结构，似乎表明螺旋星云本身是一个老切高度演化的行星状星云。

These new developments enable us to identify the first instance of symmetry breaking in the evolution from AGB to planetary nebula.

这个新发现使我们能够鉴认AGB星从打破球对称结构到最终形成行星状星云的最初一步。

The white dot at the Helix's center is this Planetary Nebula 's hot , central star .

螺旋星云中央的白点就是这个行星状星云炽热的中央星。

This Hubble Space Telescope images show Cat's Eye Nebula is the most complicated "planetary nebula" is one in Draco.

这张哈勃太空望远镜拍摄的图片，显示猫眼星云是最复杂的&行星星云&之一，位于天龙座。

The Hubble Space Telescope captured this image of the Stingray Nebula, the youngest known planetary nebula.

哈勃航天望远镜抓拍了这张魟星云的照片，它是我们所知道的最年轻的行星星云。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"