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【判断题】
直流接触器的线圈多做薄的圆筒形， 而不设骨架。A.
正确
B.
错误
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皮皮学刷刷变学霸
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【单选题】以下程序的运行结果是class Person{public Person(){System.out.println(“this is a Person”);}}public class Teacher extends Person{private String name=”tom”;public Teacher(){System.out.println(“this is a teacher”);s...
A.
this is a Person this is a teacher tom
B.
this is a teacher this is a Person tom
C.
运行出错
D.
编译有两处错误
【简答题】The returns from a project are normally distributed with a mean of $800,000 and a standard deviation of $400,000. If the project returns less than $500,000, the company will be in financial difficulti...
【简答题】汽车专用万用表的功能有哪些?
【简答题】汽车万用表的功能有哪些?
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