BMP files for positioning operation, the reference value.
BMP格式的文件进行定位操作,有一定的参考价值。
The author introduces in detail the gerenal application of GPS in offshore engineering according to his experience on positioning operation in offshore engineering recent years.
本文根据近年来海上工程中定位作业的经验,对差分gps定位系统在海上工程中的应用做了较详细的介绍。
Attached heart laser lamp, simple positioning, easy operation.
附中心镭射灯,定位简单,操作容易。
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