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1986年11月25日至12月25日,东北航空护林局组织全局航空观察员,在大连民航疗养院,进行了为期一个月的健康疗养。疗养期间,按照局领导的指示,由业务处任国祥和高级工程师赵希宇同志,主持召开了小火面积估测方法探讨座谈会。会议期间,全体航空观察员各抒己见,讨论热烈,否定了以前那种只凭经验,没有科学依据的小火场面积估测方法,提出和探讨了几种新的、具有科学依据的小火场面积估测或计算方法。小火场,是指那些在五十万分之一的地形图上难以定位的火场,对那些容易在地形图上准确勾划出来的火场不计其内。
From November 25, 1986 to December 25, 1986, the Northeast Aviation Forest Protection Bureau organized a global aviation observer to conduct a one-month health recuperation at Dalian Civil Aviation Sanatorium. During the convalescence, according to the instruction of the bureau leadership, Comrade Guoxiang, a senior engineer at the business office, and Comrade Zhao Xiyu presided over a seminar on the discussion of methods for estimating small fire area. During the meeting, all aviation observers expressed their views and discussed with enthusiasm and denied the previous method of estimating the area of small fireplaces based on experience and without scientific basis. They proposed and discussed several new and scientifically based scenarios of small fireplaces or Calculation method. A small fireball is a fire that is difficult to locate on a topographic map of one fifth of a million, and excludes those fireballs that are easily delineated on topographic maps.