问题
问答题 论述题
数字探伤仪与模拟仪器操作方式有哪些不同?
答案
参考答案:
模拟式超声波探伤仪采用旋钮操作,一个旋钮对应一个功能。如衰减钮调节灵敏度、深度范围钮调节探测范围、工作方式选择旋钮选择探测方式等。数字化超声波探伤仪各种功能采用键盘来实现,一键多功能,仪器面板简单,以人机对话的方式完成对仪器的操作。
数字探伤仪与模拟仪器操作方式有哪些不同?
参考答案:
模拟式超声波探伤仪采用旋钮操作,一个旋钮对应一个功能。如衰减钮调节灵敏度、深度范围钮调节探测范围、工作方式选择旋钮选择探测方式等。数字化超声波探伤仪各种功能采用键盘来实现,一键多功能,仪器面板简单,以人机对话的方式完成对仪器的操作。
阅读理解。 | |||
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1. It is a great surprise that we can get help _____. | |||
A. without any money B. with much money C. from young children | |||
2. The underlined word "anonymous" means "_____" in the reading. | |||
A. 有特色的 B. 匿名的 C. 无特色的 | |||
3. Maybe many people will like to get help from the hotline because _____. | |||
A. they can know others by talking on the phone B. they can get all that they need by talking to others C. nobody else will know their personal information | |||
4. Mrs Brown has a son who is eleven years old. He doesn't get on well with her. Which phone number should she call to ask for help? | |||
A. 1-800-999-9999. B. 1-800-784-2433. C. 1-800-422-4453. | |||
5. After reading the passage, we know that it is _____. | |||
A. a teaching plan B. an advertisement C. a school report |