It has special physical and mechanical properties due to its composition, structure and sedimentary environment.
特殊的发育环境、物质组成和结构导致了珊瑚砂具有独特的物理力学性质。
Master the working principle of the PC and logistic composition and physical structure.
掌握个人计算机的工作原理及逻辑组成和物理结构。
Physical properties involve no change in the composition of the material.
有形资产不介入在材料的构成的上变化。
Physical properties involve no change in the composition of the material.
有形资产不介入在材料的构成的上变化。
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