grey substance

1. Grey Relational Analyses between Nutrient Substance and Agronomic Characters or Disease Resistance or Net Photosynthetic Rate of Hybrids in Pepper
   杂交辣椒营养成份与农艺性状、抗病性、净光合速率的灰色关联分析
2. The magnitude on grey correlation degree between disease resistance and nutrient substance was Phytophthora blight, CMV, TMV Bacterial scab of Capsicum.
   抗病性性状与营养成份间总体关联度大小顺序为疫病、CMV、TMV、疮痂病。

noun

1. greyish nervous tissue containing cell bodies as well as fibers

   Synonym:    grey mattergray mattergray substancesubstantia grisea