嫁接后砧木陆续萌蘖,不断消耗养分,影响接穗生长,有时成活后也有枯死的。()

嫁接后砧木陆续萌蘖,不断消耗养分,影响接穗生长,有时成活后也有枯死的。()

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WhichtwofeaturesareaddedwhenupgradingfromIPCCExpressStandardtoEnhanced?()

WhichtwofeaturesareaddedwhenupgradingfromIPCCExpressStandardtoEnhanced?()

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郁金香是秋季开花的球根花卉,适于大面积栽植花镜及花坛。()

郁金香是秋季开花的球根花卉,适于大面积栽植花镜及花坛。()

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Ifthedispersionofagivenfiberis17ps/nm*kmat1550nmandzeroat1310nm,thenwhatistheaccumulateddispersionofanITUwavelengthafterittravels200km?()

Ifthedispersionofagivenfiberis17ps/nm*kmat1550nmandzeroat1310nm,thenwhatistheaccumulateddispersionofanITUwavelengthafterittravels200km?()

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UPSR protection switching is initiated by (), while BLSR is initiated by ().

UPSR protection switching is initiated by (), while BLSR is initiated by ().

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