在JZZC-3型综合重合闸装置中,有N,M,Q,R各跳闸点,经N点跳闸的保护为()。 距离,高频,接地不灵敏Ⅰ段保护。 距离,高频保护。 高频,接地不灵敏Ⅰ段保护。
五六十年代历史剧有哪三种类型?请举例说明。
为防止瓶内介质因升温超压发生事故而设置的可拆卸的、由()作为动作部件的熔化泄放型气瓶安全附件,简称易熔塞。 易熔合金。 不易熔合金。 木块。 铅封。
作出人身安全保护令,应当具备下列条件() 有明确的被申请人。 有具体的请求。 有遭受家庭暴力或者面临家庭暴力现实危险的情形。
The warning and critical threshold values have been set to 85% and 97%, respectively, for one of the tablespaces. The current tablespace space usage is 54%. You modify the warning threshold to be 50 % and critical threshold to be 53% in Database Control. Which statement is true?() The new setting would be applied but no alerts would be raised immediately.。 The new setting would be applied and an alert would be raised immediately.。 The new setting would be ignored because the tablespace space usage is more than the specified threshold value.。 The new setting would cause an error because the tablespace space usage is more than the specified threshold value.。
原型化方法从用户界面的开发人员入手,首先形成()