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【多选题】
下列关于标准方向的各个种类叙述,正确的有( )。
A.
通过地面上某点并指向地球南北极的方向线称为该点的真子午线方向
B.
指向北极星的方向可近似地作为真子午线的方向
C.
磁子午线方向可用测定
D.
磁子午线北端偏于真子午线以东为东偏,δ为负,以西偏,δ为正
E.
坐标纵轴方向是指测量中常以通过测区坐标原点的坐标纵轴为准,测通过任一点与坐标纵轴平行的方向线
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【单选题】法律中的认可概念主要用于()。
A.
事实判断
B.
证据规则
C.
选择判断
D.
逻辑推理
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A.
Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE COMPACT; statement.
B.
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C.
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