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superior tree
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superior tree
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优树
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superior tree
优树
在相同立地条件下的同龄林分中,生长、材质、干形、适应性等方面表现特别优良的单株。又称入选树、正号树。
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bipolar outflow
bipolar planetary nebula
bipolar plate
bipolar power transistor
bipolar pulse width modulation
bipolar random access memory
bipolar random-access memory
bipolar resistive switching
bipolar set
bipolar sunspot
bipolar technique
bipolar theorem
bipolar transistor
bipolyhedral group
bipolynomial
bipotential
bipotential operator
biprime
biprism
bi-process mechanism model
biprojective
biprojective algebra
biprojective space
biprojective variety
bi-propellant
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