目的探讨基于医联体模式下呼吸内科专科护士共享在COPD患者延续护理中的应用效果。方法采用便利抽样法选择2018年10月—2019年10月......

By applying the wavefront coding technique to an optical system, the depth of focus can be greatly increased. Several co......

This paper uses two navigation schemes to prove the potential of a novel autonomous orbit determination with stellar hor......