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| English | Chinese |
| rock mechanics The theoretical and applied science of the physical behavior of rocks, representing a "branch of mechanics concerned with the response of rock to the force fields of its physical environment" | 岩石机制 (研究岩石的物理行为的理论和应用的科学，说明"岩石对它的物理环境中的外力的反应的各种机制"。) |
| soil mechanics The study of the physical properties of soil, especially those properties that affect its ability to bear weight such as water content, density, strength, etc. | 土壤力学 (对土壤物理性质的研究，特别是那些影响其承受能力的属性，如含水量、密度、强度等。) |