这几类问题在考试中经常出现。
这类问题在考试中经常出现。
此类问题在考试中经常出现。
中国电影里经常出现怪兽。
即使在感染你的时候，感冒病毒也会发生变异，而且新的病毒毒株经常出现，以至于当制药商研制出针对其中一种变异的疫苗时，血清已经过时了。
Colds mutate even while they're infecting you, and new strains pop up so often that by the time drug-makers create a vaccine against one variation, the serum is already out of date.
以下哪个是闲聊中经常出现的话题？
咏唱是巴洛克音乐中经常出现的乐团或合唱乐曲。
A ritornello is a recurring passage in Baroque music for orchestra or chorus.
11月份经常出现霜冻。
以下是一些经常出现混淆的领域。
那就是经常出现纠纷之处。
芬克表示，这种情况经常出现。
但这类情况并非经常出现。
幸运的是，这种情况并不经常出现。
事务超时是另一个经常出现的常见问题。
Transaction timeouts are another common problem that can occur.
我的建议是，如果某些词经常出现，那就去查一下。
My suggestion is that if you encounter such words frequently, look them up.
令人惊讶地是，这个问题在DSL实现中经常出现。
This issue pops up surprisingly often in DSL implementations.
萨利亚内区地处经常出现候鸟的湿地附近。
The Salyan Rayon is located near wetlands frequented by migratory birds.
你们会发现庞德，在这些故事里经常出现。
与老年人相比，儿童可较经常出现发热、酸痛和头痛。
Fever, aches and headaches can occur more frequently in children compared to elderly people.
这是经常出现的情况。
我儿子在做数学题时经常出现粗心的错误，把小数点点错位。
My son often makes careless mathematics mistakes by pointing off the wrong figures.
另外一种照片中经常出现的问题是手腕被弯折。
Another common malady that shows up in images are broken wrists.
这里有六种在伴侣关系中经常出现的交流问题。
Here are six common communication problems in relationships.
你可能会惊讶，但是你的社区经常出现比你的更好的想法。
You may be surprised, but your Community often has even better ideas than you!
但是如果这种情况经常出现，抑郁就会重复出现。
一个经常出现的问题是单一管理进程的瓶颈，比如目录服务。
One question that comes up often is the possible bottleneck that a single administrative process provides, such as the catalog service.
正态分布是典型的钟形曲线，这在统计学中经常出现。
A normal distribution is the classic bell curve that appears so frequently in statistics.
但经常出现的情况是，事情并没有完全按照计划进行。
As often happens, however, things didn't work out exactly as planned.
通过用较短的字符串替换经常出现的长字符串，可以压缩数据。
Data is compressed by replacing frequently occurring bit strings with shorter strings.
通过用较短的字符串替换经常出现的长字符串，可以压缩数据。
Data is compressed by replacing frequently occurring bit strings with shorter strings.
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