| 释义 |
soil formation短语¹⁴⁴⁹⁷²⁺²
基本例句
成土过程,土壤形成,土壤发生
The soil type, cause of soil formation and soil quality changes of Holocene loess- soil sequence have been clearly distinguished.
通过本文各指标的研究，进一步认识了汾渭平原全新世土壤的类型、成因与质量演变。 cnki
This thesis focuses on the slab track layed on the soil formation. A mechanical model of slab track layed on the soil formation is established, and system analysis is made for its stress performance.
本文以土质路基板式轨道为研究对象，建立了土质路基板式轨道力学分析实体模型，对其力学性能进行了系统的分析。 fabiao |