不确切性_有道手机词典

1.本文提出了经纬仪在测量数据中所存在的系统误差，从而指出了采用方向中误差指标的不确切性。
The systematic errors which exists in the measured data are revealed in this paper, and the non-accuracy of the medium error index dealing with directions are pointed out.
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2.但由于问题本身的复杂性、影响因素的不确切性、特别是预测方法的局限性，使得目前需水预测误差较大。
But the complexity of the problem, the indefinite of the factors and especially the limits of the predicting method made large error between the prediction value and the reality.
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