【单选题】以下关于Java虚拟机说法不正确的是()
A. Java虚拟机执行的是字节码
B. 字节码会被解释成本地机器语言
C. 不同平台下需要安装该平台下相应的Java虚拟机版本
D. 不同平台下Java虚拟机的规范不一样
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【单选题】以下不正确的java注释有()
A. //This is comment
B. /*This is comment
C. /**This is comment*/
D. /*This is comment*/
The functions of bogie includes:
A. Bearing Load
B. Traction
C. Passing Curve
D. Relieve Impact
The composition of bogie:
A. frame
B. wheel set
C. basic brake device
D. driver's cab
Which of the following components works with the brake disc?
A. Brake-shoes
Brake clamp