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择伐周期
释义
择伐周期
Encyclopedia
农学
森林经营方案
释
cutting cycle
择伐周期
在异龄林经营中,采伐部分达到成熟的林木,保留其余林木继续生长,当林分结构恢复至伐前状态时,所用的时间称为择伐周期。即同一林地进行2次相邻择伐的间隔期。又称回归年。
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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
surface of constant breadth
surface of constant curvature
surface of constant geopotential
surface of constant phase
surface of constant width
surface of contact
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