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初选候选树
在林龄、环境一致或相近的群体中,根据性状指标,经踏查和目测等方法初选出表现优良的单株树木。又称候选树。
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fuel boost pumps
fuel breeding
fuel burn up
fuel burn-up
fuel cell
fuel cell ceramics
Fuel Cell Combined Cycle
fuel cell controls module
fuel cell efficiency
fuel cell management system
fuel cell plate
fuel cells
fuel cell stack
fuel cell system
fuel cell vehicle
fuel cladding
fuel coal
fuel consumption access of road transport vehicle
fuel consumption measuring instrument
fuel consumption of aircraft
fuel consumption rate
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