Which three statements about OSPF partial SPF are true?()
A. If it is triggered by Type 4, all Type 4 LSAs that announce a certain ASBR and all Type 5 and 7 LSAs are processed
B. If it is triggered by Types 5 and 7, all Type 5 and 7 LSAs that contribute to a certain destination are processed.
C. If it is triggered by Type 2, all Type 2 LSAs that contribute to a certain destination are processed.
D. If it is triggered by the change of Type 3, 4, 5, and 7 LSAs.
E. If it is triggered by the change of Type 2, 3, 5, and 7 LSA
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我国机动车辆保险规定,保险人不予承保的车辆有()行驶证和号牌
A. 电瓶车
B. 电动自行车
C. 拖拉机
D. 冷藏车
AM96型转向架调整车钩高度在空气弹簧上盖板上最多加多厚调整板()
A. 20mm
B. 30mm
C. 40mm
D. 50mm
采掘工作面爆破地点附近20M以内风流中瓦斯浓度达到()时严禁爆破.
把明度轴一分为三。处在明度6以下的明度极(4、5、6、白)为()。
A. 高明度阶段
B. 中明度阶段
C. 低明度阶段
D. 中高明度阶段