请简要回答“面向全体，重视个别差异”这一教育原则的内涵。
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制动系统中制动摩擦片不得破裂，铆钉头埋入深度不得小于（）。
Which three statements are true concerning unplugging a pluggable database (PDB)?（）
A. The PDB must be open in read only mode.
B. The PDB must be dosed.
C. The unplugged PDB becomes a non-cdb.
D. The unplugged PDB can be plugged into the same multitenant container database (CDB)
E. The unplugged PDB can be plugged into another cdb.
F. The PDB data files are automatically removed from disk.
土地利用总体规划依法由各级人民政府组织编制，国土资源行政主管部门具体承办。
A. 正确
B. 错误
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