"a disease of frequent occurrence"
"the occurrence (or presence) of life on other planets"
1.发生的事情；事件
Anoccurrence is something that happens.
e.g. Complaints seemed to be an everydayoccurrence...
似乎每天都有投诉。
e.g. The food queues have become a dailyoccurrence across the country.
排队购买食品的长龙已成了全国各地每日可见的景象。
2.发生；出现
The occurrence of something is the fact that it happens or is present.
e.g. The greatestoccurrence of coronary heart disease is in those over 65.
65岁以上者是冠心病的最高发人群。
不幸的是,计算机错误常常发生。
Riots are of frequent occurrence in this province.这省经常发生骚乱。
It is more a made-up story than a real occurrence.那是杜撰的故事，而不是真实发生的事情。
This is a rare occurrence as our climate seldom goes to extremes.由于这里的气候很少出现极端，所以这是很罕见的情况。
a common'/everyday'/frequent'/regular occurrence司空见惯的 / 每天发生的 / 经常发生的 / 定期发生的事情
Vandalism used to be a rare occurrence here.过去这里很少发生故意破坏公物的事。
The program counts the number of occurrences of any word, within the text.这个程序可以统计任何单词在文本中出现的次数。
a link between the occurrence of skin cancer and the use of computer monitors皮肤癌的发生与使用电脑显示器之间的关联
Complaints seemed to be an everyday occurrence...似乎每天都有投诉。
The food queues have become a daily occurrence across the country.排队购买食品的长龙已成了全国各地每日可见的景象。
The greatest occurrence of coronary heart disease is in those over 65.65岁以上者是冠心病的最高发人群。
Angiogenesis is crucial in the occurrence, development and prognosis of neoplasm.血管生成对恶性肿瘤的发生 、 发展和预后至关重要.
The news covered the occurrence of event, negotiating and upshot.从事件的发生 、 处理过程及最后定局,该报都作了详细报道.
It has a 1:8~10 F : M ratio and high rate of occurrence in women of childbearing.本病好发于育龄女性,男女发病率之比为1:8～10.
Brushing our teeth with salt would protect them and prevent the occurrence of respiratory infection.晚上用盐水刷牙既保护牙齿又能预防上呼吸道感染.
Objective To study the occurrence , diagnosis and treatment of training trauma of anticraft artillery soldiers.目的研究某高炮部队士兵训练伤的发病和诊治情况.
When past occurrence credit is constrictive, economy can be immersed in depression.过去出现信贷紧缩的时候, 经济就会陷入萧条.
The forest fire forecasts is divided into rating forecast, fire occurrence forecast and fire behavior forecast.林火预测预报分为火险天气预报 、 林火发生预报和林火行为预报.
The occurrence of storms delayed our trip.暴风雨延误了我们的旅行.
In recent years, the situation in Beijing concerts a rare occurrence.这种情况在近年来的北京演唱会上很少出现.
The occurrence of the disease is apparently related to standards of hygiene.这种病的发生率显然与卫生状况相关.
The news of this strange occurrence spread, and eventually reached the royal ears of the Emperor.这件怪事传开了, 最后传到皇帝的耳朵里.
She was distracted with doubts [ at the occurrence ].她因疑惑 [ 那事件 ] 而心烦意乱.
Conclusion: LOH of DCC gene may be involved in the occurrence and development of HCC.结论: DCC基因LOH可能参与了原发肝癌的发生发展.
These wind roses show the probability of occurrence of wind speeds for sixteen compass points.这些风的图形揭示了十六分圆盘上风速出现的概率.
In addition, active faults play an important role and occurrence of the landslides.此外, 从断裂活动等方面分析了滑坡形成的动力机制.
The occurrence of wheat midge has close relationship with temperature and humidity.小麦吸浆虫的发生和温、湿度条件关系密切.
Probability is the mathematical study of the likelihood of an event's occurrence.概率是对一个事件发生的可能性的数学研究.
The factors that influence the occurrence of disasters are natural, geological environment and human action factors.影响地质灾害发生的因素有自然因素 、 地质环境因素及人为因素.
Office romance, which used to be frowned on, has become an increasingly common occurrence these days.办公室恋情, 过去常遭非议, 如今已是越来越稀松平常了.
The occurrence of such things is by no means fortuitous.出现这种问题绝不是偶然的.
A matter of repeated occurrence like this will not astonish people.这样司空见惯的事,不会使人吃惊.
For a military commander, winning or losing a battle is a common occurrence.胜败乃兵家常事.
Two things account for its occurrence.发生这件事的原因有两个.
Observing a series of ordinary occurrences through the glamour of an active imagination.
出自：A. MerrittEvidence of the occurrence of that fish on the Kentish coast.
出自：J. E. T. Rogersoccurrences of ore were known to be much more widespread than those of uranium minerals.
出自：M. Gowing
