This is of practical value for the improvement of the software design and for the correct operation of the present GPS navigator.
这对软件设计的改进与正确使用现有的船用GPS接收机都有实际意义。
This is of practical value for the improvement of the software design and for the correct operation of the present GPS navigator.
这对软件设计的改进与正确使用现有的船用GPS接收机都有实际意义。
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