Directly below Alnitak, a close inspection will reveal the Horsehead Nebula.經(jīng)過仔細(xì)查看就可以發(fā)現(xiàn)緊挨著參宿一的下方就是馬頭星云....the Great Nebula.獵戶大星云A powerful telescope can resolve a nebula into stars.一架高性能的望遠(yuǎn)鏡能從星云中分辨出星球來.Light takes about ...
The size of the nebula at this stage is inversely proportional to its mass.這個階段星云的大小與其質(zhì)量成反比。A powerful telescope can resolve a nebula into stars.一架高性能的望遠(yuǎn)鏡能從星云中分辨出星球來.A nebula is really a discrete mass of innumerous stars...
Read these notes carefully and keep them for future reference.仔細(xì)閱讀這些注釋并將其保留下來以備將來之用。They exchange traveller's cheques at a different rate from notes.他們兌換旅行支票時依據(jù)的匯率跟兌換現(xiàn)鈔時不同。Watson has a wonderful voice, with thrillin...
戰(zhàn)爭顛倒是非：殺戮與殘忍成了美德。War turns morality inside out: killing and cruelty are virtues.甘地體現(xiàn)了克己、禁欲和自我約束的美德。Gandhi exemplified the virtues of renunciation, asceticism and restraint.謙虛被認(rèn)為是一種美德。Humility is considered a virtue....
The effect of nitrogen can be overcome by sheathing the flame in argon.氮的影響則可以通過用氬氣包覆火焰而予以克服.Used for testing horizontal combustibility of various textile and show with flame spread rate.用于測定各類紡織織物水平方向燃燒性能,并以火焰蔓延速率來表示.Th...
俄別以東和耶希亞也是約柜前守門的.Obed - Edom and Jehiah were also to be doorkeepers for the ark.于是將以色列神的約柜運到那里去.And they carried the ark of the God of Israel about thither.他們就把神的約柜送到以革倫.So they sent the ark of God to Ekron....
A blade guard is fitted to protect the operator.為保證操作人員的人身安全安裝了槳葉保護罩。A sharp blade is likely to nick the skin and draw blood.鋒利的刀刃可能會劃傷皮膚，導(dǎo)致出血。The soil sticks to the blade and blocks the plough.土粘在犁鏵上，卡住了犁。...