Because of fault in operation and the precision of instrument, the defect error and accidental error are involved in the procession of data collection, the defect error that are brought by mistakes of people and influence of outside is large, the continge
Because of fault in operation and the precision of instrument, the defect error and accidental error are involved in the procession of data collection, the defect error that are brought by mistakes of people and influence of outside is large, the continge
在采集数据过程中，由于某些操作或仪器原因，往往使数据中包含人为错误，或外界干扰产生的量值较大的“过失误差”以及不可避免的带随机性质且量值较小的“偶然误差”。