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【多选题】
流动完全相似的条件包括()A.
几何相似
B.
运动相似
C.
流动相似
D.
动力相似
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举一反三
【简答题】A boy of 14 has become the youngest student to win a place at Cambridge University. Arran Fernandez, who was 16 at home by his father, Neil, will 17 a mathematics degree at Fitzwilliam College next mo...
【单选题】The best method of protecting that portion of a fiber anchor line nearest the anchor from chafing on the bottom is by ______.
A.
using a small scope ratio
B.
replacing that portion with a short length of chain
C.
using a hockle to keep that portion of the anchor line off the bottom
D.
using a synthetic line
【简答题】A．fact B．share C．part D．portion
【判断题】按照“真空地带”理论,现存的零售业态只能满足市场一部分需求, 而在市场上存在着一些进入这些地带的空间,一些企业避开竞争的压力而进人这些地带,这是导致新业态产生的主要原因。
A.
正确
B.
错误
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