胞间连丝结构的多样性
Plasmodesmal diversity
diversity of plasmodesmal morphology
生态学功能的多样性
multifunctional symbioses
维护生物的多样性
conservation of biological diversity
维护遗传的多样性
conservation of genetical diversity
遗传多样性的降低
Loss of genetic diversity
(具有CF性质的)k-半分层空间
k-semistratifiable spaces with CF-property
阿拉伯胶的性质研究
Studies on Characteristic of the Arabic Gum
贝他粒子的性质
natural of beta particles
表面热处理后钢中心的性质
core properties of case hardened steel
部分莫耳过剩性性质
bend equivalent pipe length
材料性质的表征
characterization of property of material