罗经自差 meaning in English

compass deviation
compassdeviation
deviation of compass

Deviation equation of magnetic compass based on a set of trigonometric function
基于三角函数系的磁罗经自差校正方程
Magnetic compass is one of directional navigation instrument in ship fitting , the deviation of magnetic compass will influence the navigational safety of ship
摘要磁罗经是船舶装备的主要指向性航海仪器之一，磁罗经自差的大小将直接影响船舶的航行安全。
Focusing on some disadvantages which exist in the training of measuring and eliminating deviation of magnetic compass in the labs of colleges , this article put forward how to develop a training system of measuring and eliminating deviation of magnetic compass , to build an integrated training lab so as to improve the ability of navigating officers in measuring and eliminating deviation of magnetic compass
针对当前院校在实验室进行磁罗经自差测定与消除训练中存在的一些弊端，提出开发研制磁罗经自差测定与消除模拟训练系统，建设磁罗经自差测消训练综合实验室，以提高航海人员对磁罗经自差的消测能力。