白+白改建设计方案
white+white rebuilding project
2，3-二羟基白桦脂酸
2，3- Dihydroxy Betulinic acid
23-羟基白桦酸
23-Hydroxy betulinic acid
23-hydroxyl betulinic acid
23-hydroxybetulinic acid
23-hydroxylbetulinic acid
3β-二羟基白桦酯酸
3β-Dihydroxy-lup-20 29-en-28-oic acid
白材兴安落叶松
Dahurian Larch of white wood
白桦
Birch
Betula
White
asian
asian white birch
Betula platyphylla
Pinus tabulaeformis forest
Betula platyphylla Suk
white birch
white birch Betula platyphylla
Birch Betula platyphylla
白桦低产林
low-yielding Asian White Birch(Betula platyphylla) forest
白桦家系
Betula platyphylla family
白桦－辽东栎混交林
Betuta platyphylla-Quercus liaotungensis mixed for
白桦林
Birch forests
Betula platyphylla forest
birch forest
白桦绵蚜
japanese white birch woolly
glyphina betulae koch
白桦木虱
japanese white birch sucker
psylla betulae linnaeus