变光星云 [天] variable nebula ; Hubble's variable nebula
变光开关 simmer switch ; Antidazzle switch ; headlamp dimmer switch
前照灯变光开关 Headlights beam switching control ; Dimmer switch ; Head lamp changeover switch ; headlamp beam switch
闪变光度计 flicker photometer
可变光衰减器 VOA ; variable optical attenuator
可变光阑 [光] iris diaphragm ; [光] iris ; variable diaphragm
可变光圈 Iris diaphragm ; iris aperture
脚踏变光开关 Dip switch pedal
变光按钮 Dimmer push button
相变光盘 Phase Change Disk
过去100年来,天文学家特别注意一类称作“仙王座变光星”的恒星。
For 100 years astronomers have paid particular attention to a class of variable star known as the Cepheids.
右下方黄色而致密的麦克尼尔星云十分引人注目,它是一个新发现的变光星云。
Yellowish and even more compact, the recently discovered, variable McNeil's Nebula is prominent in the scene below and right of center.
研究了自变陡效应对色散缓变光纤中光脉冲的调制不稳定性的影响。
The effect of self steepening on the modulation instability of optical pulses in decreasing dispersion fibers is investigated.
And I forget where Napoleon actually dies, but he's got memories of getting sick and ill and the light begins to fade and he goes unconscious.
我不记得拿破仑在哪里去世了,但他有生病的记忆,生命之光慢慢变弱,然后失去了意识。
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