【简答题】传感器定义:“能感受到规定的被测量并按照一定 转换成可用输出信号的器件或者装置”。
【单选题】飞机的纵向稳定性是指飞机绕下列哪个轴线的稳定性
【单选题】When the static port being blocked, the indication of the VSI will ( )
A.
be frozen to the altitude at the moment of being blocked
B.
turn back to zero after a while
C.
be higher than actual speed
D.
be lower than actual speed
【多选题】A network administrator needs to configure port security on a switch.which two statements are true? ()
A.
The network administrator can apply port security to dynamic access ports
B.
The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.
C.
The sticky learning feature allows the addition of dynamically learned addresses to the running configuration.
D.
The network administrator can apply port security to EtherChannels.
E.
When dynamic mac address learning is enabled on an intece,the switch can learn new addresses,up to the maximum defined.
【多选题】You plan to use static database registration for a new listener when you create it.What could be the two reasons for this?()
A.
More than one database is to be registered with the listener.
B.
The users will connect the database by using the host naming method.
C.
The Oracle Enterprise Manager is to be used to monitor an Oracle9i database.
D.
The database that is to be registered with the listener is configured in shared server mode.
E.
The listener is not configured on the default port of 1521 and the instance is not configured to register with a nondefault port.
【简答题】阅读程序,填空补充程序。 define【 】30 main() {【 】; num=10; total=num*PRICE; printf('total=%d,num=%d/n',【 】); }
【简答题】逻辑函数的常用表示方法有 、 、 、 、 等。
【单选题】飞机的纵向稳定性是指飞机绕下列哪个轴线的稳定性?
【简答题】逻辑函数的常用表示方法有 、 、 、 、 等。