Which three statements about OSPF partial SPF are true？（） ["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","If it is triggered by Types 5 and 7， all Type 5 and 7 LSAs that contribute to a certain destination are processed.","If it is triggered by Type 2， all Type 2 LSAs that contribute to a certain destination are processed.","If it is triggered by the change of Type 3， 4， 5， and 7 LSAs.","If it is triggered by the change of Type 2， 3， 5， and 7 LSA"]
夏尔丹的艺术特点？
简述弗莱堡学派的货币供应原则？
塑料注射模具由（）和（）两大部分组成。
课程学者霍尔和霍德提出教师在课程实施过程中，对课程的关注程度分为七个层次：低度关注、了解信息、个人层面的、（）、结果、合作、再关注。
简述信息内容与信息载体的关系
