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利用数理统计与概率论的有关理论 ,在定义了以置信区间的长度与船舶交通量日均估计值之比作为“相对误差”的基础上 ,得到了船舶交通量观测时间与精度关系的有关结论。该结论可作为港口规划、实施船舶定线制及确定无线电岸台交换机容量决策的参考依据。
Based on the related theories of mathematical statistics and probability theory, the relative conclusions are drawn based on the ratio of the length of confidence interval to the daily average of traffic volume as “relative error” . This conclusion can be used as a reference for port planning, implementation of ship routing and determination of radio shore switch capacity.