超高折光指数
super-high refractive index
示差折光指数检测器
refractive index detector
固定权数量指数
quantum index with fixed weights
匹茨堡睡眠质量指数量表
pittsburgh sleep quality index
匹兹堡睡眠质量指数量表
pittsburgh sleep quality index
Pittsburgh sleep quality index scale
PSQI
移动本期权数量指数
quantum index with moving current weights
移动前期权数量指数
quantum index with moving anterior weights
白光折光计
white light refractometer
负指数折扣
negative exponential quantity discounts
累积数量折扣
Cormulative quantity discounts
累进制数量折扣
incremental quantity discounts
数量折扣定价
quantity discount pricing