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A continuous signal is also called because its waveform is often analogous to that of the physical variable()

A.an
B.a
C.a
D.a
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擔(dān)心手術(shù)對(duì)小孩有影響,最好不要在孕期行乳腺腫塊切除活檢術(shù)()

A.是
B.否
答案: B.否在孕期進(jìn)行乳腺腫塊切除活檢術(shù)是否合適,需要根據(jù)具體情況來決定。孕期手術(shù)確實(shí)需要更加謹(jǐn)慎,因?yàn)槭中g(shù)和麻醉可能對(duì)孕婦和...
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