题目内容

关于加氢催化剂采用密相装填运转带来的好处，下列说法中不正确的是（）。

A. 可以提高处理量
B. 在同样的处理量下，空速下降
C. 降低催化剂初期运转温度
D. 在同样的处理量下，空速提高

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Which of the following are shared distribution tree characteristics（）

A. Memory requirements are higher for shared distribution tree than for source distributiontree.
B. Creates a tree from a central RP to all last-hoprouters.
C. Uses a rendezvous point.
D. An optimal path is created between each source router and each last-hoprouter.
E. Place（S，G）entry in each router’smulticast routing table.
F. Place（*，G）entry in a router’smulticast routing to table.

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