A position that is obtained by using two or more intersecting lines of position taken at nearly the same time，is a(n) （）.<br>A:fix<br>B:running fix<br>C:estimated position<br>D:dead-reckoning position

A position that is obtained by using two or more intersecting lines of position taken at nearly the same time，is a(n) （）.
A:fix
B:running fix
C:estimated position
D:dead-reckoning position

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