氦空间

hair space───空间头发

helium flash───[天物]氦闪

hemispace───半空间

life space───生活空间

shelf space───货架空间；货架面积；零售店里商品陈列空间

helium flashes───[天物]氦闪

air space───气室；大气空间；（冷藏车）空气壁；空（心）处

attic space───阁楼空间

blank space───[计]空白区

Venus Express has detected oxygen, hydrogen and helium ions-remnants of early oceans-escaping into space.───金星快车已经发现了逃逸到太空的氧，氢和氦离子，他们是早期海洋的残留物。

Helium is used for arc welding and leak detection, mostly, although NASA USES it to pressurize space shuttle fuel tanks.───虽然美国宇航局用它来给航天飞船的燃料箱加压，氦主要还是用来做弧焊和裂纹检测。

space environment, combined with mechanical and cryogenic refrigeration systems using hydrogen and helium, chill the coldest instruments to 0.1 kelvin in four sequential steps.───利用太空的环境，以及机械和氢和氦的冷冻系统，分4个步骤把这个最冷的仪器冷却到只有0.1开尔文。