郁闭群落 closed vegetation, closed com-munity
互联网
2149
郁闭群落 closed vegetation, closed com-munity 指植物互相接近生长的群落。郁闭程度随植物的大小而异。乔木群落形成树冠密接的林冠,草原群落叶子相接其覆盖度也相当大,对地下部分的情况几乎完全不考虑。
互联网
相关产品推荐
NovAseptic Valve, Pneumatic Plastic Actuator, Normally Closed, NC, 1/Pk
询价
NovAseptic Valve, Spring Closed Valve Seal (for PTFE Diaphragm only), 1/Pk
询价
NovAseptic Valve, Pneumatic Stainless Steel Actuator, Normally Closed, NC, 1/Pk
询价
NovAseptic Valve, Pneumatic Stainless Steel Actuator, Normally Closed, ATEX, 1/Pk
询价
Reference Materials of Flash Point-Closed Cup / Reference Materials of Flash Point-Closed Cup Aladdin
¥999
相关方法