Under the hypothesis of model,we give some indicators including the distribution law πk of queue length under steady state,the average number E of working antiaircraft,sudden attack probability πm of enemy airplanes,the length of busy period.
研究了具有消失制的M/M/m/m防空系统的射击效能,利用排队论及随机运筹学的有关知识,在模型的条件与假设下给出了其平稳状态的队长的分布律πk,平均工作的防空武器数E,敌机的突防概率πm,忙期长度等指标。
The busy period,the whole vacation period,the idle period and the on-line period of modle are given.
给出系统稳态队长和等待时间的母函数及其它们的随机分解结果,并分析了系统的忙期、全假期、闲期和在线期。
In this paper, we concern the busy period of finite dam with Erlang(n) arrival.
本文主要考虑了具有有限容量的Erlang(n)到达的大坝模型的忙期。
During busy seasons they help with field work.
农忙季节他们帮助干农活。
The school shuts down during busy farming seasons.
这所学校在农忙季节停课。
Self-employed farmers work from 55 to 60 hours per week during the peak summer mouths.
自耕农在夏天农忙季节每星期劳动55到60小时。
By 1989, 35 day old seedlings were mostly transplanted and faced with a shortage of farmhand during the busy transplanting season.
直到1989年，大多采用35天龄苗插秧，遇到农忙季节人手短缺的问题。
Autumn is a busy season.
秋天是忙碌紧张的季节。
Autumn is a busy season,and the crops are ripe.
秋季是繁忙的季节，庄稼成熟了。
a migratory worker
[美]农业季节工人
Suspending the civil cases in the busy farming season is a long-standing rule in Chinese ancient society.
在农务繁忙季节中止民事诉讼是我国古代社会长期实施的一项法律制度。
Predicting Agricultural Output Value with a "Discount" Seasonal Index Method
用“折扣”季节性指数法预测季度农产值
The ticket will cost more if one flies during (the) high season.
如在空运繁忙季节搭飞机，票价就要贵得多。
In the busy holiday season, extra buses are provided to supplement the existing service.
在繁忙的假日季节，会增开汽车以补充现有服务。
The London season lasts from May to July.
伦敦的社交繁忙季节从5月持续到7月。
It is a season that peasants reap the corn from what they planted in spring.
农民们春季播种玉米，现在是他们收获的季节。
He remembered the old migrants.
他是想起了那些当农业季节工的老头。
The farmer employed more workers at harvest time.
这个农场主在收获季节雇用更多工人。
migrant farm laborers
移动性 [季节性] 的农场工人
Study on the Problems of Agricultural Origin under the Condition of Seasonal Famine;
季节性饥荒条件下农业起源问题研究
Analysis of Agriculture Critical Temperature and Agricultural Production Season in Liuzhou
柳州市农业界限温度与生产季节分析
