p-m

英 ['piː'em] 　　美 ['piː'em] 　　

永久磁铁

new

p-m的英文翻譯是什麼意思，詞典釋義與在線翻譯：

名詞 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

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