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为了探索潮坪层序中纹层与间断的关系，1992年6月1~17日在长江三角洲南翼东海农场潮坪剖面高潮与中潮坪交界处的同一站位，设置了两块相同的沉降板：一块设置后固定不动，观测板上最终记录的纹层数和厚度；另一板隔一两天或若于天观测一次，记录纹层的厚度和层数后清除板上沉积
In order to explore the relationship between the lamina and discontinuities in the tidal flat, from June 1 to June 17, 1992, two identical settlements were set up at the same station of the tidal flat at the Donghai farm on the south wing of the Yangtze River Delta at the junction with the Zhongchaoping base. Plate: a set of fixed, observed on the final record of the lamina and the thickness of the plate; the other plate observed once or two days, or if observed in the day, after recording the thickness of the lamina and layers to remove the board deposition