natural: adj.1.自然界的；关于自然界的。2.天然的；未开垦的；野生的。3.固有的,生来的,天赋的(opp. acquired)；出乎本性的。4.自然的,不加修饰的,不加做作的。5.本来的；(论理上或人情上)当然的,不勉强的,常态的；普通的,平常的。6.逼真的。7.私生的,庶出的。8.【音乐】本位的；标明本位号的。9.【数学】自然数的；真数的。短语和例子the natural d
Rock salt , or halite , is mined from natural deposits formed by the shrinking of seas during geological periods 岩盐或岩盐，被开采自然沉淀在地质学的期间。
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In view of the percentage of void in natural deposit , it is deemed that the increased self - similar rank m can enhance the stability accordingly . and the pattern of stabilization will be non - linear characteristic 随着自相似阶数(对应着颗粒组构的非均匀程度)的增大，堆积体稳定性增强，并得到具有非线性变化特征的稳定性图式。
