题目内容
急流时水深一定小于临界水深,断面比能随水深减小而增大。
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缓流时水深一定大于临界水深,断面比能随水深增大而增大。
过水断面具有的总能量E与断面比能Es有什么关系?
Fill in the blanks with the words given below. (选词填空)1. Itookan unpaid___________ as a salesman three months ago.2. He got the job through a (an)___________ agency.3. My father’ssupport furthered my___________.4. If you want to work in the south, you can ___________ for a job here.5. First, you should print your___________ on good-quality white paper.6. The work is difficult, but it’s also very___________when people do well.
网络协议(Protocol)就是商务协议。
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