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未检出 wèi jiǎnchū
earth.sc. not detected
tech. non-detection; non-readout; not detectable (的); undetection
未检
oil not detected; not detectable
未 检 出: 14 phrases in 10 subjects
Animal husbandry1
Aviation1
Communications1
Construction1
Economy1
Electronics1
Geology1
Space2
Technology4
Telecommunications1