利用柯西-施瓦兹不等式和海森堡不确定关系,得到了 多模 连续变量系统的可分性判据.The separability criterion of multi - mode continuous variable systems is derived from uncertainty relation and Cauchy - Schwarz inequality....
蚯蚓吃下大量土壤，排出肥力丰富、物理结构理想的腐殖质。Earthworms consume large amounts of soil, and produce a rich humus, perfect in texture.有机物分解的最后程序称为腐殖质化.The final process in organic matter decomposition is known as humification.腐殖质是已知能够覆盖滤膜的物...