【单选题】Your ARPA has two guard zones, what is the purpose of the inner guard zone?
A.
Alert the watch officer that a vessel is approaching the preset CPA limit
B.
Warn of small targets that are initially detected closer than the outer guard zone
C.
Guard against target loss during critical maneuvering situations
D.
Sound an alarm for targets first detected within the zone
【简答题】12月26日,甲公司按合同销售A产品1000件给B工厂,价款85 470元,增值税额14 530元,尚未收到,合同规定付款的现金折扣条件为:2/10,1/20,n/30。假定计算现金折扣时考虑增值税。 编制下列会计分录: 1)12月26日甲公司销售时 2)若在10日内收到B工厂货款, 3)若在11日-20日内收到B工厂货款 4)若在21日-30日内收到B工厂货款 应收账款、主营业务收入、应交税费写...
【单选题】STM32F103的外部中断/事件控制器(EXTI)支持( )个中断/事件请求。
【单选题】Your ARPA has two guard zones. What is the purpose of the inner guard zone?
A.
Alert the watch officer that a vessel is approaching the preset CPA limit
B.
Warn of small targets that are initially detected closer than the outer guard zone
C.
Guard against target loss during critical maneuvering situations
D.
Sound an alarm for targets first detected within the zone
【单选题】三相异步电动机同步转速为 , 转子转速为 , 那么旋转磁场和同步转速间的相对转速是多少?( )
【单选题】STM32F103的外部中断/事件控制器(EXTI)支持( )个中断/事件请求。
【简答题】Windows Server 2008安全策略包含本地安全策略和( )。
【单选题】下列物质中,可以用直接法配制标准溶液的是 ________。