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:estimated position<br>B:fix<br>C:running fix<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:estimated position
B:fix
C:running fix
D:dead-reckoning position

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