计划的烧除（防火）

有计划的烧除；[林][安全]规定火烧；规定用火

prescreening───v.预先筛分；试销（prescreen的ing形式）

prescribing───v.规定；开药

bescribbling───订

cribbed biting───床咬

prescinding───vt.割去；分开；孤立地思考；vi.脱离；不加考虑

prescribed───adj.规定的

prescriber───开药者

Prescribed burning , fires set on purpose , is a common, if risky, method.───即是故意纵火, 虽然涉及危险, 却是常见的做法.

burning, fires set on purpose, is a common, if risky, method.───是故意纵火，虽然涉及危险，却是常见的做法。

With the method of prescribed burning, the effects of burning on Leymus chinensis population in Inner Mongolia steppe were discussed.───用控制火烧的方法，研究了火烧对内蒙古草原羊草种群的影响。

importance and function of prescribed burning, preparation work before prescribed burning and items for attention and operation tips are presented in detail.───本文详细阐述了计划火烧的意义和作用、计划火烧前的准备工作，并提出了计划火烧的注意事项及实际操作要领。