Describing the zone immediately below the ground surface and above the water-table in which the water content varies greatly in amount and position.
https://dl.sciencesocieties.org/publications/vzj The Vadose Zone Journal, online
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。