Such "fire scars" in long-lived species like giant sequoias allow him to estimate the past frequency of forest fires.
这些在长寿物种，如巨红杉中留下的火灾印迹，使得他能够估计过去森林火灾的频次。
The highest frequency of forest fire is production firing in Lishui Area.
丽水地区森林火灾频率最高的是生产用火；
The longer fire cycle can cause the fuel loading increasing and change fire frequency, fire type and fire intensity in the forest ecosystem.
火周期的延长会引起森林可燃物载量增加，并导致火频度、火灾类型和火强度发生改变。
应用推荐