die for type B tong B型钳牙
B-Lay Tong Phuket 普吉岛碧莱通酒店
B-Lay Tong Resort Phuket 普吉岛碧莱桐度假村
WONG SIO TONG B 黄少东
HONG HIN TONG B 孔宪东
CHAN IENG TONG B 陈英东
WONG SIO TONG B m 黄少东
Wong Tong Piat b 王冬白
This paper analysis the reason why the middle error of unit weight in first class traverse of Nan Tong City (B area) is bigger with the principle of mathematic statistics;
本文运用数理统计学原理分析了南通市一级导线网（B区）单位权中误差偏大的原因；
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