找到说明了
fully anechoic chamber
shielded enclosure whose internal surfaces are totally lined with anechoic material
完全布满
semi-anechoic chamber
shielded enclosure where all internal surfaces are covered with anechoic material with the
exception of the floor, which shall be reflective (ground plane)
除地板外完全布满
anechoic chamber
shielded enclosure which is lined with radio-frequency absorbers to reduce reflections from
the internal surfaces
完全布满RF吸波体,这个不太明白,跟FULLY有什么区别?