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【单选题】
对流传热的热阻主要集中在( )A.
层流外层
B.
层流内层
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【简答题】能把异构的计算机网络相互连接起来,且可根据路由表转发IP数据报的网络设备是________。
【简答题】Listen again and correct the eight errors in this summary of the interview. Natural gas is far less environmentally friendly than other fossil fuels like oil and coal, but it is also being replaced by...
【单选题】An even more exciting find was reported in 1994, also from Pakistan. The now extinct whale Ambulocetus natans ("the walking whale that swam") lived in the Tethys Sea 49 million years ago. It lived aro...
A.
Fossil legs of early whales are a rare find.
B.
The legs provided important information about the evolution of cetaceans.
C.
The discovery allowed scientists to reconstruct a complete skeleton of the whale.
D.
Until that time, only the front legs of early whales had been discovered.
【简答题】能把异构的计算机网络相互连接起来，且可根据路由表转发IP数据报的设备是______。
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