题目内容
哪两个端口可用于 Cisco 路由器的初始配置？（选择两项。） Which two ports can be used for the initial configuration of a Cisco router? (Choose two.)
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哪两个文件在 Cisco 交换机启动时加载到 RAM 中？（选择两项。） Which two files are loaded into RAM of a Cisco switch when it is booted? (Choose two.)
Mr.Clive from an American company is visiting Blue-sky Mold, accompanied by Andrew Johnson, the production Manager. Listen to the conversation and fill in the blanks with what you hear.Andrew Johnson: Now this is the________ line that produces the machine tools, Mr.Clive.Mr.Clive: I have been very impressed by what I have seen. I know the factory is ____________ at full capacity.Andrew Johnson: Yes, we've received plenty of orders, both for_________ needs and for exports. As you know, we____________ machine tools of all types and sizes.Mr.Clive: Is any work done by subcontractors?Andrew Johnson: No, we are fully self-sufficient.We have laboratories, quality control department and____________5department all here.Mr.Clive: Have you been producting this new model for a long time?Andrew Johnson: Yes, we've introduced new technology and started a new model last year. Our designers always keep up with the _____________6 of technology.Mr.Clive: Is the __________7 of engineers big?Andrew Johnson: Totally we have about two hundred engineers.Mr.Clive: How do you ensure quality control?Andrew Johnson: Well, it is done by the Quality Control Department.Our quality control engineers ensure that all equipment manufactured is thoroughly inspected and___________8 in full the requirements of the orders technically.Mr.Clive: Do you also ______9 the packing?Andrew Johnson: Yes, but we've recently started to use packing companies too. Well, is there anything else you'd like to see?Mr.Clive: No, thanks.Andrew Johnson: Ok.Let's go to my office for a cup of__________10.
三相可控整流电路应用场合
三相电路触发角的起点，是以自然换相点来计算的，而不是以过零点。
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