1.
Interval Estimation and Hypothesis Testing for Fire Disaster Occurrence Frequency;
火灾发生起数的区间估计和假设检验
2.
Time-scale Estimate and Hypothesis Inspection of Medical Emergency Occurrence in Liupanshui City;
六盘水市120紧急救援发生起数的区间估计和假设检验
3.
That is to say,IPC is the multiple caus-ing change of population dynamic trend.
控制指数值即为引起种群数量发展趋势发生改变的倍数。
4.
However, we cannot afford to issue bonuses in exact proportion to the growth of labour productivity.
如果按照它的劳动生产率的增长倍数来发奖金，那个奖金就发不起。
5.
How great a change in price is necessary to elicit a certain response in the quantity supplied.
为了引起供给数量的一定反应，价格需要发生多大的变化。
6.
Suddenly, two huge explosions occurred within seconds of each other and the Kursk sank to the bottom of the sea.
突然间，数秒之内发生两起大爆炸，科斯克号于是沉入海底。
7.
Several fires occurred that month.
那个月发生了几起火灾。
8.
Three murders have be committed during the last week.
上周发生三起谋杀。
9.
A solar eclipse is/looks/seems possible/likely/probable.
看起来可能要发生日食。
10.
nativeness by virtue or originating or occurring naturally (as in a particular place).
自然起源或发生于某地。
11.
There was another revolt at Martaban.
在马都八又发生了起义。
12.
there was a big fire in Edison's power plant.
在爱迪生的发电厂里发生了一起大火。
13.
Preparing for or occurring before flight.
起飞前的为起飞作准备的或起飞前发生的
14.
It should be noted that most airplane crashes occur during takeoffs and landings.
值得注意的是绝大多数的飞机失事均发生在飞机起飞和降落的时候。
15.
Without a conductive setting, a few experts and enthusiasts are not enough to breathe life into the language.
一旦失去了自然发展的环境，少数专家和有心人根本不可能起死回生。
16.
With the development of society's productivity, the commerce booms gradually too, the quantity of the commercial city and country fair Town increased notably.
随着社会生产力的发展,商业也逐渐繁荣起来,商业城市和圩镇的数量显著增多。
17.
"There are more than 700 murders a year in cities like New York, Detroit, Los Angeles and Houston, and most of these deaths are of Blacks killed by Blacks"
在纽约、底特律、洛杉矶和休斯顿等城市,每年发生七百多起命案,受害人和凶手大多数是黑人
18.
One of the predominant theories about the source of Amazonian diversity was that it arose in the wake of the ice ages that have occurred over the past million years or so.
过去一项主要理论认为亚马逊多样性的起源，是发生在数百万年前的冰期之后。