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大理石地面干法施工,怎样铺设大理石

题型:问答题

题目:

大理石地面干法施工,怎样铺设大理石

答案:

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参考答案:[答题要点] 种子的发育始于合子的分裂,发育过程包括胚、胚乳发育,营养物质积累和种子的成熟干燥。 种子的形成其实质就是胚的发育与胚乳的发育。成熟的胚包括胚根、胚芽、胚轴和子叶。胚的发育开...

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题型:单项选择题

In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet.
Open Shortest Path First(OSPF) is a (66) routing algorithm that (67) work done on the OSI IS-IS intradomain routing protocol. This routing, as compared to distance-vector routing, requires (68) processing power. The Dijkstra algorithm is used to calculate (69) OSPF routing table updates only take place when necessary, (70) at regular intervals.

A.distance-vector

B.link-state

C.flow-based

D.selective flooding

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