次生盐化

摘要设施土壤次生盐渍化是我国设施农业生产中的一个重要限制因子。

secondary controller

by-pass accumulator【电】;secondary cell【电】

secondary thickening

secondaryorder conditioned stimulus

secondary reaction

secondary amyloidosis

secondary air (supplementary air) detoxication of exhaust gases

secondary loess【地质】