飞轮的主要作用是()。
A、启动柴油机
B、输出动力
C、使曲轴均匀旋转
D、减缓机器振动
参考答案:C
The traditional approach __________ with complex problems is to break them down into smaller,more easily managed problems.
A.to dealing
B.in dealing
C.dealing
D.to deal
允许信号通过的频率范围称为().
A.频率容限
B.信道
C.带宽
D.频段