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direct vision
avia. 直接观察
tech. 直视
direct-vision [daɪˌrεkt'vɪʒn, dəˌ-]
avia. 直接观察 (窗)
space 直接观察
direct- vision
: 38 phrases in 10 subjects
Agriculture1
Aviation3
Chemistry1
Construction3
Metallurgy2
Nursing1
Otorhinolaryngology1
Space2
Surgery4
Technology20

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