Directly below Alnitak, a close inspection will reveal the Horsehead Nebula.

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.

A powerful telescope can resolve a nebula into stars.

一架高性能的望远镜能从星云中分辨出星球来.

The complex nebula resides in the star forming region called RCW 57.

上面这张星云位于恒星形成区RCW57之中.

The Crab Nebula lies about 6,500 light-years away in the constellation Taurus.

蟹状星云距离金牛座大约6,500 光年 远.

Horsehead Nebula: New stars have already formed inside part of it.

马头星云: 新的?星已经在其内部形成了.

And by the time it all ended, the entire nebula was flooded with fire.

在一切将要结束的时候, 整个星云充满了火焰.

The Crab Nebula lies about 6, 500 light-years away in the constellation Taurus.

蟹状星云距离金牛座大约6, 500 光年 远.

The spiral nebulae are impressive objects.

旋涡星云是迷人的天体.

You can see nebulae in the clear summer sky.

在晴朗的夏夜可以看到天上的星云.

The nebulae, he said, were clouds of atoms and dust.

而星云, 他说, 是由原子和尘埃构成的云.

Most of the universe is empty space. The rest is stars, planets , comets, and nebulae, right?

绝大多数的宇宙空间是真空状态, 除却星辰, 行星, 彗星和星云, 是这样 吗 ?

Numerous red emission nebulas and blue reflection nebulas are visible throughout the image.

无数红热喷射星云和蓝色反射星云也在此图中清晰可见.

Objective To examine the effect of oxygen jet nebulization with 0.

盐水氧气射流雾化用于气管切开患者的临床效果.

Plug the flow regulator into the wall and attach the nebulizer.

将气流调节器插头接通墙上电源,并连接喷雾器.

Flowmeters, controls, and nebulizer are mounted on a recessed panel.

流量计 、 控制器和雾化器都固定在箱内的面板上.

Consistent flow rate from nebulizer to nebulizer.

在雾化器间提供持续稳定的流通速率.

This article talks about nebulous ecological culture reflected by green totem at multiple levels.

本文从多层面论述绿色图腾折射出的朦胧生态文化.

The company only had a nebulous idea of the next model of car they would manufacture.

该公司对他们下次要制造的车型只有模糊的概念.

It is marked by a tendency to employ shapes of a deliberately nebulous character.

它以故意模糊不清的朦胧形象为标志.

a nebulous ghostly figure

幽灵般朦胧的身影