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本文根据1981年6—8月间,由本所、国家海洋局第二海洋研究所及东海分局联合使用《实验2》号调查船对南海东北部海区所做的地球物理测量资料整理、分析而成。 使用仪器是国产CHHK-2型海空核子旋进式磁力仪,配备美制双频道卫星导航仪及完整的测深系统。 有效磁测剖面为2323公里(主测线2719公里,联络测线604公里,图1)。实测数据经过正常地磁场、地磁日变化场及船体磁方位三项改正。
According to the data of geophysical survey data made by the Institute, the Second Institute of Oceanography of the State Oceanic Administration and the East China Sea Branch in the June-August 1981 jointly with the “Experiment 2” survey sea area in the northeastern South China Sea, . The instrument is domestic CHHK-2 sea-air nuclear precession magnetometer, equipped with US-made dual-channel satellite navigation system and a complete sounding system. The effective magnetic profile is 2323 km (main line 2719 km, contact line 604 km, Figure 1). After the measured data through the normal magnetic field, magnetic field diurnal variation and hull magnetic azimuth three correction.