单词	级--层--段
释义	级；段；层stage
随便看	detection ratio detection risk detection run detections detection sensitivity detection--sensitivity detection specifications of vehicle detection spectrometry detection system detection technique detection theory detection thershold detection threshold detection threshold {=dt} detection time detection--time detection width detection--width detection， alpha detection， automatic target detection， burst-cartridge detection， burst-slug detection， chemical detection， fission-product detection， flaw