二次空间变换
Quadric spatial transform
二次空间的格
lattice in a quadratic space
二次空间的根
radical of a quadratic space
二次空间分配
secondary space allocation
二次空间配置
secondary spatial allocation
箭图的二次空间
quadratic space of quiver
空间二次变换
space quadratic transformation
部分二次二阶矩法
Part Second Order and Second Moment Method
二次除尘
secondary off-gas cleaning
secondary fume dedusting
secondary dust-remove
secondary dedusting
二次除鳞系统
Secondary descaling system
二次除油罐
secondary oil removal tank
二次二阶矩
quadratic second ordered moment