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unintentional/accidental invasion
释义
unintentional/accidental invasion
Encyclopedia
农学
〔生物入侵途径〕
释
unintentional/accidental invasion
无意入侵
人类各种类型的运输、迁移活动等无意将外来生物传入后,外来生物在新生境中迅速扩散,造成生态、经济和社会风险的现象。
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speed of photographic plate
speed of rotation of the ecliptic
speed of sound
speedometer
speed pulser
speed quality
speed reducer with point-line meshing cylindrical gear
speed regulation index for electric drive
speed roller skating
speed servo system
speed skating
speed skating field
speed skating long distance
speed skating mass start
speed skating short distance
speed skating team distance
speed strapdown inertial navigation system
speed test
speed training
speed triangle of fluid machinery
speedup
speed-up rolling
speedup theorem
speed variation handwriting
Speightstown
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