方格纹理背景分离
pane texture background segment
背景纹影技术
background oriented schlieren
Bos
法理背景
jurisprudential base
jurisprudential background
古地理背景
paleogeographic background
paleogeographical patterns
palaeogeographic setting
palaeogeographic background
认知-背景理论
cognitive-contextual framework
(137)Cs背景值
reference (137)cesium inventory
137Cs背景值
Cs background value
137Cs reference inventory
Reference 137Cs
Cs-137背景值
The background value of Cs-137