- 蝴蝶星云hú dié xīng yún
butterfly nebula; butterfly cluster
- 彗状星云huì zhuàng xīng yún
cometary nebula; comet-shaped nebula
- 螺旋星云luó xuán xīng yún
spiral galaxy, spiral nebula
- 仙女座星云xiān nǚ zuò xīng yún
andromeda nebula; Andromeda Galaxy
- 旋涡星云xuán wō xīng yún
spiral galaxy, spiral nebula
- 翳yì
slight corneal opacity; nebula
- 银河星云yín hé xīng yún
galactic nebula
- 云翳yún yì
nebula
- 场致发射chǎng zhì fā shè
autoelectronic; field-emission; cold field emission
- 俄歇电子发射é xiē diàn zǐ fā shè
auger electron emission
- 发行fā háng
emission, emit, float, issuance, issue, launch, publish
- 发射fā shè
beam, blast-off, emission, eradiate, launch, project, send, shoot, transmit
- 废气排放fèi qì pái fàng
exhaust emission
- 排放控制法规pái fàng kòng zhì fǎ guī
emission control regulations
- 涩精止遗sè jīng zhǐ yí
arresting seminal emission
- 声发射信号shēng fā shè xìn hào
acoustic emission signal
- 扬尘量yáng chén liàng
dust emission
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