validation method短语³⁹⁷⁰¹ 基本例句 🌏认证方式;发现方法 Lastly, the validity of the model is also testified by the cross- validation method. 最后,利用交叉检验法验证该模型的正确性。 cnki The new strategy is very fast when the number of the principal components is determined by the cross- validation method because only one decomposition is necessary. 这种新策略用于确定主成分数的交叉验证时只需一次主成分分解,因此速度很快; cnki