interbedding of soft and hard rocks  软硬互层

slope with soft and hard rocks  软硬互层

Changes of hard and soft tissue  软硬组织变化

facial profile of soft and hard tissue  软硬组织侧貌

interface of soft and hard magnetic media  软硬磁界面

Principle of hard and soft acid and base  软硬酸碱原理

theory of hard and soft acids and bases  硬软酸碱理论

Formation of Complex Ions  配离子的形成

Inferiority complex complex of inferiority  自卑情结

simulation of complex and large systems  复杂大系统仿真

cause of formation and development  成因与发展

Cause of Formation and Mechanism  成因机制

Cause of Formation and Prevention  成因及防治; 成因与防治

cause of formation of magma  岩浆成因

causes of formation of crack  裂缝成因

formation depth of rocks and ores  成岩成矿深度

Mechanism of Formation and Succession  形成与演替

multi-grades controlling of formation and distribution on sandbodies  多级控砂

Plane of formation and regeneration of woods  造林预定计划