To find reliable answers to questions about something as infrequent as brain cancer, a whole country's worth of data is needed.
要给脑癌这样罕见的疾病找到可靠结论就需要整个国家的统计数据。
This is an example where the syndrome is monitored as a proxy for the disease, and the syndrome is infrequent and severe enough to warrant investigation of each identified case.
这是一个通过监测疾病症状来作为疾病判断的例子，这种症状应该是不常见的，其严重程度足以保证对每一个病例都能依据症状做出判断。
Installed systems should operate well in a fixed mode, should be easy to control automatically, or should require only relatively infrequent adjustment by maintenance staff during each year.
系统需在一个设定好的模式下运行，并且易于自控，或者仅需维护人员每年进行相对较少的调整。
He moved on, aimlessly, and in a little while the houses thinned, and the passers-by were infrequent.
他漫无目的地继续往前走，没过多久，房屋渐渐变得稀少，过路的人也不多了。
In temple precincts, small sculptures of dragons spouting water into a basin are not an infrequent sight.
在寺庙专用区，水流到某一流域的龙的小雕塑不能说是一种罕见的景观。
'These clear skies aren't that infrequent, it's not an uncommon situation to have a cold front coming down from the north with clear skies moving behind.'
如此澄澈的天空并不是那么罕见，来自北方的冷前锋后面一般都有晴朗的天空。
As Posner emphasizes, it is very difficult to estimate with any precision what is the actual probability of highly infrequent events, and such a leak would fall within this class.
正如波斯纳强调的，要精确估计高度偶发事件的实际发生概率是非常困难的，这次的漏油事件就是属于这类事件。
Development teams run their applications on this environment on a relatively infrequent basis — perhaps every six to eight weeks.
开发团队相对少地在这种环境中运行他们的应用程序——可能每六到八周一次。
Optimizing a large index can be very time-consuming and should be done, if at all, when index updates are infrequent.
优化大型索引可能会非常耗时，而且应该在索引更新不是很频繁的情况下才进行。
Bottleneck commits are a variation of the Infrequent Check-in anti-pattern.
瓶颈提交是签入不够频繁反模式的一种变体。
Crawling by its very nature is a gathering and scanning activity designed to be performed on an infrequent basis so that the target system is not overly impacted by the activity.
内部爬行是一种收集和扫描活动，旨在针对一些不频繁的活动执行，因此目标系统不会过分地受到活动的影响。
In some large, long-running, complex engagements with infrequent milestones, payments may be scheduled on a monthly or a quarterly basis.
对于某些复杂的大型长期项目，如果其中包含的里程碑过多，可以根据日程表按月或按季付款。
A few relatively infrequent situations also call for a semicolon.
有几个比较少见的的情况也要求使用分号。
When the death of a loved one is sudden or unexpected, with lit-tle time to prepare, it is not infrequent for mourners to believe the dead person is still alive.
当至爱的人死得突然或者死于意外时，因为没时间准备，所以对于哀悼者来说，相信死去的人仍然活着是很常见的。
For example, a network based on relatively infrequent communications might turn out to work well for sharing tagged news items.
例如，一个相对通信频率较低的网络算法，可能可以很好的应用在新闻项目上。
If it's used as a relatively infrequent part of the program's operation, the slow performance won't be a concern.
如果它作为程序运行中相对很少涉及的部分，缓慢的性能将不会是一个问题。
Having a long or frequent memory for mistakes and a short or infrequent memory for successes is a guaranteed way to develop fear of failure.
有着长而密的错误记忆并且有短而少的成功记忆是失败恐惧之路的保证。
Toyota initially faulted drivers, saying the problem was a result of infrequent oil changes.
丰田起初将责任推委给驾驶者，认为问题是由不经常更换汽油早成的。
If the calls to this web service are infrequent (less than one a minute), it might be determined that there is no need for caching.
如果对这个Web服务的调用不多(每分钟少于一个)，那么可以确定没有必要进行高速缓存。
S system is aimed at retaining infrequent readers who arrive at the site from a search engine.
《金融时报》网站的系统正致力于保留住那些不经常光顾的读者，他们往往通过搜索引擎来到这里。
The diseased course clinical diagnoses and treatment as well as anatomic pathological changes of an infrequent case of esophageal obstruction in a rescued wild giant panda is reported on this paper.
摘要首次报道了一例大熊猫患罕见的食道梗阻症的发病经过、临床诊治及解剖病理变化。
However, we have a problem with the infrequent movies that have more than one director.
然而，我们又遇到一个问题，个别电影会有多个导演。
They are infrequent in a normal peripheral blood smear, and their significance is uncertain.
它们在正常的外周血涂片中是很少见的，而且它们的意义还不确定。
In practice, however, losing a case due to burden of proof issues is not infrequent.
而在争端解决的实践中，由于忽视证明责任规则而败诉的案例也屡见不鲜。
It was a dark summer night, shot through with infrequent shimmers of lightning silently firing a cloud lying low in the west and portending a storm.
异乎寻常的闪电屡屡划破这个漆黑的夏夜，然而这一切却悄无声息，只是点亮了西方的低云，看来一场暴风雨即将来临。
The diseased course, clinical diagnoses and treatment, as well as anatomic pathological changes of an infrequent case of esophageal obstruction in a rescued wild giant panda is reported on this paper.
首次报道了一例大熊猫患罕见的食道梗阻症的发病经过、临床诊治及解剖病理变化。
Conclusions: Amyloid nephropathy was a kind of infrequent disease, and doctors should heighten cognizance of it.
结论：淀粉样变肾病系少见病，应注意对该病的认识。
Conclusions: Amyloid nephropathy was a kind of infrequent disease, and doctors should heighten cognizance of it.
结论：淀粉样变肾病系少见病，应注意对该病的认识。
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