为无法排便的成人采集便标本时,肛拭子插入肛门的深度为() 2~3cm。 3~4cm。 4~5cm。 5~6cm。 6~7cm。
倍频是指CPU的时钟频率和系统总线(外频)间相差的倍数。
当前和今后一个时期,我国人才发展的指导方针是什么?
M10表示()。 抗碎强度。 耐磨强度。 热强度。
Given: 6.<myTag:foo bar=’42’> 7.<%="processing" %> 8.</myTag:foo> and a custom tag handler for foo which extends TagSupport. Which two are true about thetag handler referenced by foo?() The doStartTag method is called once.。 The doAfterBody method is NOT called.。 The EVAL_PAGE constant is a valid return value for the doEndTag method.。 The SKIP_PAGE constant is a valid return value for the doStartTag method.。 The EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.。
What will occur when a nonedge switch port that is configured for Rapid Spanning Tree does not receive a BPDU from its neighbor for three consecutive hello time intervals?()