Many uncertainties cause unavoidable risk in engineering planning and decision. People can not expect that medical institutions and medical workers do not make any mistake because there are many uncertainties during medical decision-making. 客观存在的诸多不确定性因素使得工程不可避免地存在着风险。人们不能期望医疗机构和医务人员在医疗活动中不犯错,因为临床决策存在诸多不确定性。
But because of the setting-up of the corpus now, it is need to check-up artificially, the unavoidable carelessness and mistake will cause inconsistent to the same word segmentation results under the same language environment. 然而由于现阶段语料库的建立,需要人工来校验,不可避免的会有一定的疏忽和错误,导致了对同一字段在相同的语言环境下的切分结果不一致。