慢度-孔隙度关系
slowness-porosity relationship
有效面孔隙度
effective surface macropores
中子－密度孔隙度差值
difference of neutron and density porosity
成形砂轮形面精度保持性
wheel-shaped surface forming accuracy of retention
大曲率高精度面板
large curvature high precision panel
地壳浅部速度精细结构
fine velocity structure in shallow crust
调度精细化管理
scheduling meticulous management