水平不变的 meaning in Chinese
poor
Examples
- At the condition of constant salt content ( total ion content ) , if the water mass fraction in the substrate is lower than 50 % , its ec is determined by both the salinity and the moisture of the substrate
试验结果表明：在保持基质盐分（离子总量）水平不变的条件下，若基质质量含水率低于50 % ，则电导率值受基质内离子含量和基质水分的双重影响。