根据发动机工作原理,分析曲轴位置传感器主要起什么作用?
参考答案:
功用是采集曲轴转动角度和发动机转速信号,并输入控制单元(ECU),以便确定点火时刻和喷油时刻。
The network layer provides services to the transport layer. It can be based on either(71). In both cases,its main job is (72) packets from the source to the destination. In network layer,subnets can easily become congested,increasing the delay and(73)for packets. Network designers attempt to avoid congestion by proper desing,Techniques include (74) policy,caching,flow control,and more. The next step beyond just dealing with congestion is to actually try to achieve a promised quality of service. The methods that can be used for this include buffering at the client,traffic shaping,resource(75),and admission control. Approaches that have been designed for good quality of service include integrated services (including RSVP), differentiatd services, and MPLS.
空白处(72)应选择()
A.dealing with
B.routing
C.sending
D.receiving
审计机关对被审计单位发出审计通知书是在( )。
A.审计项目计划阶段
B.审计准备阶段
C.审计实施阶段
D.审计终结阶段