The signifying projectionrule is one of the distinguishing features of Chinese, which indicates a vast field of linguistic study.
汉语的能指投射原则是汉语的一个重要的区别性特征，这里展现了一个非常广阔的研究领域。
2
Secondly, a new projection index on the basis of dynamic cluster rule is constructed, which avoids the problem of parameter ca.
以投影寻踪理论为基础，利用动态聚类方法构建投影指标，建立了水资源评价的投影寻踪动态聚类模型。
3
The method of strip division projection of space projection is also researched, the problems of strip division rule and conversion of the coordinates of neighbor strip is discussed in this paper.