OBSabbr.观察(=Observation）abbr.瞭望台（=Observatory）abbr.已废的(=Obsolete)abbr.无线电定向标选择器(=Omnibearing Selector)obsecratev.恳求

1. For separating and identifying the structures originating from the different orders of the multiple scattering processes, the relevant quantity is the observability.
   在分离和鉴别起源于多重散射过程中不同级序的结构时，相关参量是可观测性。