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网银个人客户的认证方式有(),网银企业客户的认证方式有数字证书(USBKEY)。

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Which of the following statements about variables and scope are true?()

A. Local variables defined inside a method are destroyed when the method is exited.
B. Local variables are also called automatic variables.
C. Variables defined outside a method are created when the object is constructed.
D. A method parameter variable continues to exist for as long as the object is needed in which the method is defined.

在Niceiog中,记录语音输入通道的设定应在()中进行。

A. 查询软件
B. 控制软件
C. 系统管理软件
D. 系统监督软件

换流变压器试验前应通知()试验无关人员撤离,并派专人监护

钢质燃气管道吹扫应满足一定的要求,每次吹扫的长度应根据吹扫介质、压力和气量确定,不宜超过()km。

A. 3
B. 1
C. 10
D. 100

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