The late Cretaceous extinction of the dinosaurs and ammonoids was just one of the more drastic in a whole series of such recurrent extinction episodes.
在这一系列周期性物种灭绝事件里，白垩纪晚期恐龙和菊石的灭绝仅仅是其中一个比较严重的事件。
Poverty is a recurrent theme in her novels.
贫穷是她的小说中惯有的主题。
The recurrent fad bloomed again.
那种周期性风尚又盛行起来了。
Radiofrequency ablation may be used repeatedly to treat recurrent liver tumors.
射频消融术可反复使用以治疗复发性肝肿瘤。
One of his recurrent warnings is to allow for the complexities of human emotions.
他反复提醒的是要考虑到人类情感的复杂性。
Some people with recurrent stones choose to take prescription diuretics to reduce the risk.
有些得复发性肾结石的人选择处方利尿剂来降低风险。
Migraine causes recurrent headaches on one side of the head that last for more than four hours.
偏头痛会造成头的一侧周期性头痛，持续时长可达4个多小时。
Alcohol abuse is a drinking pattern that results in significant and recurrent adverse consequences.
滥用酒精是一种导致严重的周期性负面后果的饮酒方式。
What's important, say experts, is that patients have multiple strategies to help prevent recurrent attacks.
专家说，重要的就是患者应该有多种策略，以防止肾结石反复发作。
A: Asthma is a chronic breathing disorder characterized by recurrent attacks of breathlessness and wheezing.
答：哮喘是一种慢性呼吸疾病，特征是呼吸急促和喘息反复发作。
Asthma is a chronic disease of the airways characterized by recurrent attacks of breathlessness and wheezing.
哮喘是一种慢性呼吸道疾病，以呼吸急促和喘息反复发作为特征。
This is known as hypersomnia, recurrent sleepiness that makes people want to nap repeatedly, even at work.
这被称为嗜睡症，周而复始的困意让人想不时的打一会盹，即使是在工作的时候。
And there is lots of evidence that fluid intake is very effective in staving off recurrent kidney stone attacks.
有大量的证据表明，摄入大量流体对于延缓经常性肾结石发作是非常有效的。
Depression may also lead to early addictive smoking, and recurrent depression impedes smoking cessation attempts.
抑郁也可能导致更早有烟瘾。反复的抑郁妨碍了戒烟的尝试。
Some individuals, such as those with chronic or recurrent depression, may need to stay on the medication indefinitely.
一些慢性抑郁或复发性抑郁的患者可能需要长期服药。
Out of the group, 36 percent of girls and 21 percent of boys reported having recurrent headaches within the last year.
这组学生之中有36%的女孩和21%的男孩述称去年曾反复出现头痛的情况。
It says the main need in many countries is to meet recurrent expenses, such as salaries for health workers and teachers.
报告说，许多国家的主要需求是支付经常性的费用，例如卫生工作者和教师的工资。
The classic form of the illness, which involves recurrent episodes of mania and depression, is called bipolar I disorder.
这种疾病的典型形式包含周期性的躁狂和抑郁，称为双相I型。
Most of the work associated with calendar applications resides in the appointment form, including management of recurrent events.
大多数与日程表应用程序相关的工作都处在约会表单中，包括重复事件的管理。
Applications, or part thereof, which have recurrent states and can have event loops, are ideally represented by business state machines.
具有循环状态和可能拥有事件循环的应用程序或其一部分在概念上以业务状态机表示。
Asthma is a chronic disease characterized by recurrent attacks of breathlessness and wheezing, which vary in severity and frequency from person to person.
哮喘是一种慢性病，以呼吸困难和喘息反复发作为特征，其严重程度和发作频率因人而异。
It is characterized by recurrent seizures - which are physical reactions to sudden, usually brief, excessive electrical discharges in a group of brain cells.
该病的特点是反复发作——由一群脑细胞突然且通常是短暂过度放电而产生的物理反应。
An immune system trained to recognize the first signs of new or recurrent growth can begin to attack malignancies far earlier than the best scans can detect them.
训练免疫系统识别肿瘤新发或复发初始信号后，它们便能在最早期开始攻击恶性肿瘤，这个时间远早于最好的扫描技术能侦测到这些肿瘤的时间点。
Extended the analysis patterns in business domains and coined "business architecture type" as "archetypes" that help us deal with the recurrent and similar business issues.
扩展了业务领域中的分析模式并将“业务体系结构类型”设计为“原型”，以帮助我们处理重复发生和类似的业务问题。
Said Danese. These biological differences might explain some of the observed increase in recurrent depression, he said, but that link would have to be established in further research.
这些生理差别可能会解释一些可看到的复发性忧郁症上升的现象，他说，但这种联系需要在进一步研究中证实。
It concluded that additional epidemiological studies assessing the presence of an association between vaccination and recurrent infant infections or atopic dermatitis would be welcome.
GACVS的结论是，期待有更多的流行病学研究来评估疫苗接种与复发性婴儿感染或异位性皮炎之间是否存在相关性。
Chromosomal abnormalities are thought to account for 10 to 20 percent of cases and duplication of chromosome 15q11-13 is the only recurrent aberration so far linked to the disease.
有人认为，染色体异常可能会占孤独症病例的百分之十到二十，而15q11-13区段的染色体重复，是目前唯一所知的能和孤独症相关联的异常。
Chromosomal abnormalities are thought to account for 10 to 20 percent of cases and duplication of chromosome 15q11-13 is the only recurrent aberration so far linked to the disease.
有人认为，染色体异常可能会占孤独症病例的百分之十到二十，而15q11-13区段的染色体重复，是目前唯一所知的能和孤独症相关联的异常。
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