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....
这一遗迹在德鲁伊特来到不列颠前就已存在。The monument predates the arrival of the druids in Britain.设得兰群岛是水獭在不列颠群岛上最后的栖息地。Shetland is the last stronghold of otters in the British Isles.不列颠民族的梦想开始渐渐幻灭。Britain's dream of herself began to ...
他开了辆敞篷车，载我和我的朋友辛西娅去看电影。He took me and my friend Cynthia to the movies in an open-topped car.你可以以100美元一天的价格租一辆敞篷车.You can hire a small convertible for $ 100 a day.在好几个世纪里,乘敞篷车的旅行者穿过了撒哈拉沙漠.For centuries caravaneers have tr...