pm.是什么意思-pm.英文怎么读-英汉词典翻译

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名词 pm:

an examination and dissection of a dead body to determine cause of death or the changes produced by disease
a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium
the person who holds the position of head of the government in the United Kingdom
modulation of the phase of the carrier wave

PMMA/PEG是什么意思 PM-engine是什么意思 pmnpability是什么意思 PNAS是什么意思 pnrt是什么意思 PNOS是什么意思 PNIPA是什么意思 PNS是什么意思 PNN是什么意思 PNL是什么意思

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