1.What is the turns ratio in the diagram?
1.图中的匝数比是多少?
2. In the diagram, what is located in the auxiliary gutter?
2.在该图中,辅助线槽内放置的是什么?
3.What does this symbol indicate?
3.这个符号表示什么?
4.Identify this symbol:
4.识别这个符号
5.What is represented by this symbol?
5.这个符号代表什么?
6.This symbol stands for:
6.这个符号代表:
7.This symbol represents:
7.这个符号代表:
8.This symbol indicates:
8.这个符号表示:
9.This symbol represents:
9.这个符号代表:
10.What type of switch is shown?
10.图中所示的是哪种类型的开关?