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Terms for subject Desert science containing background | all forms | exact matches only
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ambient background concentration周围背景浓度
background extinction背景灭绝 (由于环境变化所导致的地球物种灭绝)
background extinction rate背景灭绝率
background planting背景种植
desertification background level荒漠化背景水平
desertification background level荒漠化本底水平
geological background地质背景
radioactive background放射性本底