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草坪绿期
释义
草坪绿期
Encyclopedia
农学
草坪质量
释
green period
草坪绿期
草坪草生长旺盛,草坪全年保持绿色外观的时期。一般指草坪中草坪草群落的50%返青之日到草坪草群落的50%呈现枯黄之日期间持续天数。也有中国学者认为草坪绿期是指草坪群落中80%的植物返青之日到80%的植物呈现枯黄之日的持续天数。
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surface modification of polymer
surface modification of solids
surface morphology of heart
surface mount device
surface mount device, SMD
surface mount technology
surface mount technology, SMT
surface mulching techniques
surface multiplication factor method
surface nanocrystallization
surface nonlinear optics
surface normal
surface nuclear explosion
surface nuclear magnetic resonance sounding
Surface Ocean-Lower Atmosphere Study
surface of a cone
surface of a cylinder
surface of a prism
surface of a pyramid
surface of a section
surface of centers
surface of ceramics
surface of class r
surface of coincidence
surface of congruence
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