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moonson新蟲 (初入文壇)
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[求助]
激光的受激發(fā)射機(jī)理
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當(dāng)工作物質(zhì)受到光子的激勵(lì)后為什么會(huì)產(chǎn)生一個(gè)速度方向和相位一致的光子? [ Last edited by 華麗的飄過 on 2012-10-27 at 16:04 ] |
金蟲 (小有名氣)

金蟲 (小有名氣)

新蟲 (初入文壇)
新蟲 (初入文壇)
新蟲 (初入文壇)
鐵桿木蟲 (職業(yè)作家)


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