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单词
prescribed burning
释义
prescribed burning
Encyclopedia
农学
(林火阻隔)
释
prescribed burning
计划烧除
利用火对森林资源及生态系统进行有效管理的一种手段。火烧清理采伐迹地、炼山造林,在森林铁路、公路两旁及林缘开设防火线,在荒山和牧场上进行的生产用火也属于计划烧除。
随便看
class limits
class lower limit
class mark
class mean
class name(a name for the whole kind of thing)
class NC
class number
class-number conjecture
class-number formula
class number of a rational simple algebra
class of a lattice
class of a lattice group
class of algebraic systems
class of algebras
class of crystals
class of curves
class of differentiability
class of divisors
class of elements
class of events
class of fields
class of functionals
class of functions
class of groups
class of ideals
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