希望我国各油田尽快推行石油天然气行业标准SY/T543—2003规定的子午线收敛角校正。
The purpose of the paper is to spread the rule of grid correction according to specification of SY/T5435-2003 in our country soon.
目前我国出版的各比例尺地形图中，子午线收敛角系在偏角图中标注，并以图幅平均子午线收敛角的方式表示。
Currently, in all varieties of topographic maps published in Taiwan, the meridian convergence, generally referred as a mean value, is marked on the declination diagram.
目前我国出版的各比例尺地形图中，子午线收敛角系在偏角图中标注，并以图幅平均子午线收敛角的方式表示。
Currently, in all varieties of topographic maps published in Taiwan, the meridian convergence, generally referred as a mean value, is marked on the declination diagram.
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