item weighting meaning in English
试题加权
项目加权
Examples
- The rate for sending items weighting above 50g to south korea will be lowered from hk $ 70 to hk $ 60 per kg
寄往南韩的邮件重五十克或以上的，邮费即由每千克七十元减至六十元。 - Aimed at scarcities of current means to calculate document feature item weight , using vsm for reference , this paper advances a method to calculate weight of document feature item based on bp neural net . bp neural net is applied broadly for its simple structure and working stabilization
本文针对现存的文档特征项基于internet的信目、检索若干问题的研究权重统计方法的不足，结合向量空间模型表示文档特征的方法，提出利用神经网络技术对文档的文档特征权重进行估计的方法。