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【单选题】
下列哪种方法可以用于菌体分离和浓缩?A.
微滤
B.
超滤
C.
纳滤
D.
反渗透
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举一反三
【单选题】All the soldiers were placed exactly ______ the local government wanted them for the control of the comeback of the flood.
A.
while
B.
when
C.
where
D.
though
【单选题】All the soldiers were placed exactly the local government wanted them for the control of the comeback of the flood.
A.
while
B.
when
C.
where
D.
Though
【单选题】已知某连通网G=(V1,{A1}),其中V1={a,b,c,d,e,f,g},A1={(a,b,9),(a,g,4),(a,f,5),(b,c,3),(b,g,7),(c,d,2),(c,g,6),(d,e,4),(d,g,6),(e,g,6),(e,f,5)},其中数值表示边的权值。对G采用克鲁斯卡尔算法求最小生成树,选择边的顺序是_______.
A.
(c,d),(b,c),(d,e),(e,f),(a,f),(a,g)
B.
(c,d),(b,c),(a,g),(d,e),(a,f),(e,f)
C.
(c,d),(b,c),(d,e),(e,f),(a,g),(a,f)
D.
(b,g),(g,c),(g,e),(d,g),(a,b),(e,f)
【简答题】仓库布局的两大原则是
【简答题】Have you ever wanted to feel like you were in a western film? Or maybe you wanted to feel like you were a pioneer traveling the west? It is possible to experience such things during a Wild West vacati...
【简答题】If you wanted to know what it’s like to walk on the moon, you’d interview an astronaut. If you wanted insights(深刻的见解) on playing Hamlet, you’d study the performance of a Shakespearean actor. And if yo...
【单选题】已知某连通网G=(V1,A1),其中V1={a,b,c,d,e,f,g},A1={(a,b,9),(a,g,4),(a,f,5),(b,c,3),(b,g,7),(c,d,2),(c,g,6),(d,e,4),(d,g,6),(e,g,6),(e,f,5)},其中数值表示边的权值。对G采用普里姆算法生成最小生成树,从顶点g出发,选择顶点的次序是_______.
A.
a,b,c,d,e,f
B.
a,f,e,d,c,b
C.
c,d,b,e,f,a
D.
b,c,d,e,f,a
【简答题】You can avoid a commission fee if you use a local bank and the local currency.
【简答题】简述仓库布局设计的原则。
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