Although it's not a difficult read and is designed to be used as a reference there is still a lot of information on each page and if you're not careful you could miss something valuable.
尽管它读起来不困难，并被设计成为一个参考性的说明来使用，但在每一页仍旧有大量的信息。如果你不细心，你就可能错过一些有用的东西。
Comparing the intelligence of animals of different species is difficult although there are certain tests and problem sets that have proved to be useful.
比较不同种类的动物之间的智商是一件很困难的事情，虽然有某些测试和问题设置已经证明了很有用。
Although there are still thought to be around 20 billion barrels of the black stuff under the waters off Aberdeen, extracting it is getting ever more difficult and costly.
尽管仍然有人认为在阿伯丁海岸的海底储存着大约200亿桶原油，但是提炼它却更加困难，成本更高。
Although there are many kinds of methods to optimize compute, it is difficult to artificially set fuzzy rules, even impossible.
尽管用各种方法进行优化计算，人工设定模糊规则还是很困难的，甚至是不可能的。
In judicial practice, although retroactivity of criminal law is easily grasped, there still exist some difficult problems in dispute, which need further discussing.
在司法实践中，虽然对刑法的溯及力问题一般比较容易把握，但也存在一些有争议的疑难问题，需作进一步探讨。
Although there have been many methods to study the capacity of lateral sealing , the evaluation on the lateral sealing of faults in the research region is very difficult.
由于研究区内钻井很少穿过断层，运用常规方法研究该区断层侧向封闭性具有一定困难。
The vehicle jumping at bridgehead is a puzzle that is hard to control for many years, although there are requirements in the construction, it is difficult to solve by using common reclaiming method.
公路桥头跳车是多年来难以控制的难题，尽管施工中有要求，但常用的填筑方式难以解决。
Like Friends, the English is not too difficult (although there is a lot of slang).
和《老友记》一样，剧中英语不难懂(虽然有大量俚语)。
Although mental health is the cure-all for living our lives, it is perfectly ordinary as you will see that it has been there to direct you through all your difficult decisions.
在我们的生活中，尽管健康的心理可以包治百病，但是它也极其普通，你会发现，它一直都在，指引你度过艰难，做出选择。
Although there is a long history in China, it is very difficult and unreliable to extrapolate frequency curve to long recurrence design floods.
尽管中国有悠久历史，但利用历史洪水展延洪水频率曲线以求稀遇设计洪水，仍感困难和不可靠。
Although these factors are not of prime importance, it is more difficult to get on with people when there is a marked difference in age and background.
尽管这些因素并非特别重要，但当人们在年龄与背景方面存在太大差异时，往往很难相处。
Although this is a valid choice, if you ever decide to use hosted domains, there will be difficult migration issues.
虽然这是个有效的选择，然而如果您以后决定使用讬管网域，迁移的作业将变得很困难。
Although there are many adaptive computer devices available recently, how to select appropriate devices for the client is still difficult for clinical intervention.
目前虽已有许多可用的电脑辅具，但如何选用则仍是实务工作者最大的困扰。
Although these factors are not of prime importance, it is more difficult to get on with people when there is a marked difference in age and background.
虽然这些因素不是头等重要，得到与人是更难的，当有一明显年龄差别和背景时。
Although these factors are not of first importance, it is more difficult to get on with people when there is a marked difference in age and background.
虽然这些因素并不是重要性的第一次，它是重要性的更难和人相处时有明显的不同年龄和背景。
Although these factors are not of first importance, it is more difficult to get on with people when there is a marked difference in age and background.
虽然这些因素并不是重要性的第一次，它是重要性的更难和人相处时有明显的不同年龄和背景。
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