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单词
pectoral fins
释义
Pectoral fins
(Zool.)
fins situated on the sides, behind the gills. See Illust. under Fin.
See also: Pectoral
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pectoral fin
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systems review office
systems routing
systems safety engineering
system(s) safety engineering plan
systems security certified practitioner
systems security certified professional
systems security engineering capability maturity model
systems security engineering center
systems security program plan
systems simulator
systems simulator interface unit
systems software
systems specification
systems sprayer
systems staff office/officer
systems support contractors
system startup
systems task group international ltd.
system state transition description
system statistics data
system status
system status and power control
system status & control panel
system status logic unit
systems technical applications facility
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更新时间:2025/2/6 11:34:22