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农学
根际环境
释
main root; axial root
主根
由胚根的顶端分生组织发育形成的根。
理学
根
释
main root
主根
种子萌发时,胚根细胞分裂和伸长所形成的垂直向下生长的根。因是植物体上最早出现的根,又称初生根或直根。
Mathematics
principal root
主根,算术根
Biology
axial root; main root; taproot
主根
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Biosphere 2 Experiment
biosphere nature reserve
biosphere reserve
biosphere system
bio-spintronics
biostatistics
biostimulation
biostratigraphic horizon
biostratigraphic zone
biostratigraphy
biostrome
biosurfactant
biosurfactant (BS)
biosurveillance and warning
biosynthesis
biosynthesis macromolecule
biosynthesis of crude drug activity compounds
biosynthesis of purine nucleotides
biosynthesis of pyrimidine nucleotides
biosynthesis of secondary metabolism
biosynthesis pathway of crude drug active compounds
bio-synthetic degradable biopolymers
biosynthetic gene cluster
biosynthetic reactions of cell metabolism
biosystem
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