adj.拟声的，有回声性质的...

A NSA model of impact anechoic chamber ispresented herein theoretically.文章首先经过推导和计算,得出了一套计算紧缩型暗室的归一化场地衰减(NSA)理论值模型.It is the important reference for the evaluation of anechoic chamber performances.为评估全电波暗室的性能提供重要技术依据.Noi...

echoic的音标：echoic的英式发音音标为：[e'kəʊɪk]echoic的美式发音音标为：[e'koʊɪk]...

The echoic mention and irony strategy are the most frequently used.其中回声提述策略和反说策略运用最多....

adj.无回声的，无反响的...

anechoic的音标：anechoic的英式发音音标为：[ˌæne'kəʊɪk]anechoic的美式发音音标为：[ˌæne'koʊɪk]...