Rural merchants relied on the commodity economy to speed up the disintegration of the natural economy and the birth of the new production relationship.
农村商人以农民的商品经济为依托，加速了自然经济的瓦解和新生产关系的产生。
As a product from the uranium disintegration, radon is a natural radioactive idle gas.
氡是天然放射性惰性气体，是铀系衰变链中的一个衰变产物。
And experimental studying on natural rock simulating the phenomenon of zonal disintegration.
并进行了天然岩石模拟分区碎裂化现象的实验研究。
And experimental studying on natural rock simulating the phenomenon of zonal disintegration.
并进行了天然岩石模拟分区碎裂化现象的实验研究。
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