Which statement concerning current is TRUE ________.
选项:
A:Current can be determined by measuring the direction and distance between simultaneous EP and DR positions
B:The drift of the current should be averaged out on a one hour basis
C:After the current is determined,it should not be used for further plotting because it is an unknown variable
D:The distance between a simultaneous DR position and fix is equal to the drift of the current
发布时间:2024-06-16 13:09:01