Information such as speed, heading, GPS difference equipment can also be the vehicle of various sensors (such as log, speed meter, magnetic compass, etc.) for the calibration work.
速度、航向等信息，车载GPS差分设备还可以对车辆上的各种传感器(如计程仪、车速仪、磁罗盘等)进行校准工作。
The permanent print of a well log made on high-quality paper with appropriate heading information and calibration. Final print is in contrast to field print.
指正式测井图。输入全部有关的测井图头数据之后，打印在优质图纸上，常常作为长期保存的测井记录。正式图件和现场原图相对应。
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