Dr Swetnam's work suggests that variations in temperature were well correlated with the frequency of fire during what climatologists call the medieval warm period, from 900 to 1300.
Swetnam博士的工作表明，在气象学家所说的中世纪暖期，即公元900年到1300年，气温的变动和火灾的频率密切相关。
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。
Emergency fire and police calls are also logged and reported, and Mrs Babbage grows concerned about the frequency of aid responses to an elderly homeowner up the street.
突发火灾及警方传唤也会被记录和报告，而巴贝奇太太越来越关心对街上上了年纪的屋主的回应援助的次数。
Please state the frequency of the fire drills and confirm that these are recorded.
请描述消防演习的频率并确实这些演习都做了记录。
The fire frequency, fire intensity and their synthetical regime influenced the number of cohort strongly, while the effect of fire intensity was more significant.
世代数受火干扰频率、火干扰强度及两者的综合影响，相对来说以火干扰强度的影响更为显著。
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；
Fire occupies the most percent of frequency and does greatest damage in metro disasters, and metro disasters prevention and rescue system is also designed with the full considerations of fire.
地铁灾害中发生频率最高、造成损失最大的是火灾，地铁防灾救援系统也主要针对火灾进行设计。
Fire Accidents is one of high frequency incident types. Its personnel harm manifested mainly in the built environment in the combustion flue gas, toxins, the burning heat radiation.
火灾事故是发生频率较高的事故类型，它对交通枢纽的人员危害性主要体现在建筑环境中燃烧产生的烟气、毒害物质、燃烧辐射热。
As the most frequency post-earthquake disaster, the reason of the post-earthquake fire is sophisticate and its harm is huge.
地震次生火灾作为地震次生灾害中发生最频繁的灾种，起火原因复杂其危害性也十分巨大。
Data from 17 departments showed that, the fire frequency in residential quarters of cities and countryside were highest (24%), and the number of injury and death accounted for 28.4 %.
对全国17个部门火灾情况的分析结果表明，除森林火灾之外，农村和城市居民区的火灾发生数最多(占24%)，人员伤亡占28 . 4 %。
With the modern family use of fire, electricity consumption increases, the frequency of home fires is getting higher and higher.
随着现代家庭用火、用电量的增加，家庭火灾发生的频率越来越高。
This paper explores the feasibility of ultrasonic technology leading to produce fire-retardant wood and test conditions such as frequency, sound intensity and time etc.
探讨了超声波应用于木材阻燃浸渍处理过程的可行性，同时讨论了超声波试验参数频率、声强、辐射时间等的选择。
To calculate the fire frequency of coordinate air defense in feet, a calculation model restrained by kill zone depth, course shortcut and interval length between ships is presented.
为解决舰艇编队协同防空中的射击次数计算问题，提出了受杀伤区纵深、航路捷径和舰艇间隔距离约束的计算模型。
Based on the case study of urban fire disaster, the basic statistic parameter of fire disaster frequency is suggested.
通过对实际火灾案例的统计分析，提出了火灾发生率的主导统计参数。
The prediction of fire's frequency is an important part of reducing and controlling fire in high-fire buildings. The key point calculating stochastic demand is to get the value of fire's frequency.
火灾概率预测是减少和控制高层建筑火灾的基本手段，计算非确定性需求的关键是确定火灾发生的概率。
The prediction of fire's frequency is an important part of reducing and controlling fire in high-fire buildings. The key point calculating stochastic demand is to get the value of fire's frequency.
火灾概率预测是减少和控制高层建筑火灾的基本手段，计算非确定性需求的关键是确定火灾发生的概率。
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