1) forecast of divisiory instar and grade
分龄分级预测法
2) classification forecasting
分级预测
1.
The monitoring principle and rule of classification forecasting rock burst have been studied aiming at the rock burst in coal mining.
针对煤矿冲击矿压灾害,研究了冲击危险性的监测原理和冲击矿压危险的分级预测准则。
3) Pre-classification method
预分级法
4) grading standards of development
分龄分级
5) normal age-class distribution
法正龄级分配
6) prediction method of predicting the products of different sizes
分粒级产品预测法
补充资料：分龄分级推算法
分龄分级推算法
八她跷姗推算法7‘J.沙，.一
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条