The enrichment value of resources calculated by the method of index expression could synthetically evaluate the enrichment of resources on the comparative dimension.
指数表示法计算的资源丰度值实现了资源丰度在可比尺度上的综合评价。
It says that the function must be used in an expression involving the comparison operation and that the search method "equals" of the index extension hash_index is referred to.
这说明，该函数必须在一个涉及比较操作并且引用了索引扩展hash _ index的搜索方法“equals”的表达式中使用。
A successive approximation solving procedure of interval model was put forward, and the non-probabilistic index expression and its analysis method of deep rock around roadway was formed.
提出了区间模型的逐步逼近求解程序，构建了深部坑道围岩稳定的非概率指标及其分析方法。
应用推荐