多选:以下属于密度梯度离心法的有()。A.差速离心法B.沉降速率法C.速率区带离心法D.等密度区带离心法E.分析离心法

题目内容:
以下属于密度梯度离心法的有()。
A.差速离心法
B.沉降速率法
C.速率区带离心法
D.等密度区带离心法
E.分析离心法
参考答案:

[交际用语]- How many languages does Peter speak? - _________A Many languages. B Pr

[交际用语]- How many languages does Peter speak? - _________A Many languages. B Pr

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[交际用语]- Is that seat taken? - _________

[交际用语]- Is that seat taken? - _________

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[交际用语]- What does Peter do?- _________

[交际用语]- What does Peter do?- _________

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[交际用语]- What's the date today?- _________

[交际用语]- What's the date today?- _________

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[交际用语]- May I take your order now? - _________

[交际用语]- May I take your order now? - _________

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