salt balance短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 盐分平衡 Based on two- year field experimental measurements in a typical area and a soil salt balance model, the average soil salt content changes of1.2 m depth were simulated and validated. 作者选择该区代表性地点,通过田间观测与建立模型相结合的方法,对现有种植条件下的水田盐分动态变化进行了模拟和检验。 cnki