声信标的英文

例句与用法

1. Lots of approaches have been put forward up to now , but most of them take measures on hardware , which make the system more complicated to some extent
   长期以来，人们提出的抗距离模糊方法无论是改造声信标还是改造接收机，都是基于硬件方法，增加了系统的复杂性。