乡村的问题似乎是难以解决的。
在科学实验中使用动物引发了一些难以解决的道德问题。
The use of animals in scientific tests raises some difficult ethical questions.
在推进工作难以解决的问题，可以帮助避免出现问题后。
Working out difficult issues in advance can help avoid problems later.
钡被作为极其难以解决的砷酸盐，但是这被显示是错误的。
Barium arsenate was proposed as being an extremely insoluble arsenate, but this was shown to be incorrect.
这将给议会留出余力来处理两个重要的，难以解决的，欧洲研究领域的问题。
This should leave the parliament with the energy to deal with two important, difficult to resolve, issues for European research.
对自然景物的模拟一直是计算机图形学中最难以解决的问题之一。
Simulation of natural phenomena has always been one of the most difficult tasks in computer graphics.
但在现有的门限签名方案中，合谋攻击一直是一个难以解决的问题。
But in the existing threshold signature scheme, conspiracy attack is still a problem which is difficult to solve.
在经济危机留下的后遗症中，堆积如山的主权债务或许是最难以解决的。
Of the many unpleasant legacies left by the economic crisis the mountain of sovereign debt may prove hardest to erode.
这两本书都解决了史学家和姓氏学家长期迷惘而难以解决的一些问题。
Both the two books have solved some of the problems that puzzled historians and surname experts for a long time.
不过，这在运行时可导致操作人员无法预见的复杂错误场景和难以解决的性能问题。
However, this can lead to complex error scenarios and hard to resolve performance issues at runtime that cannot be foreseen by operations people.
在视频数据库研究领域，视频场景的分割是一个重要而又难以解决的问题。
For creating video database, segmentation of video scene has been an important problem hard to solve.
励磁故障涉及发电机的大干扰稳定性，也是一个较为复杂并难以解决的问题。
The excitation protection is a complex problem because the excitation faults are related to the large-disturbance stability of generators.
造纸黑液治理技术中，蒸发器结垢是黑液蒸发中普遍存在而难以解决的问题之一。
Incrustation of evaporator liquid room was the general existence and a problem difficult to solve in black liquid evaporation.
而胰岛素是明，以帮助抵消的影响，糖尿病可对您的身体，这是难以解决的办法。
While insulin is prescribed to help nullify the effects that diabetes can have on your body, it is hardly a solution.
对于靶场试射瞎弹的处理一直是一个难以解决的问题，至今尚没有得到妥善解决。
The disposal of a dud in the shooting range is always a difficult problem, and it is never well solved till now.
我国高校现行的专业人员职务晋升机制，已日益暴露出许多自身难以解决的问题。
The academic promotion system for college-based personnel has increasingly had problems that cannot be solved within the systems own framework.
然而，使用这些具有毒性的化学药物治标不治本，并会带来更多难以解决的环境问题。
The use of these types of chemicals has only added to the environmental problems that have existed for many years.
他们想挖掘的是人类本真的矛盾，讲述的是人类永久的悲剧，是永远也难以解决的两难。
What they want is to unearth the contradictions inherited by the human beings, to tell us the perpetual tragedy that cannot be solved forever.
辐射压支持的流体厚吸积盘模型已经得到比较多的研究，看来存在一些难以解决的问题。
The radiation pressure supported thick accretion disk model has been studied more extensively, and it seems to have some difficulties.
世界性的饥饿问题是个极其难以解决的问题，我恐怕人们在我这一辈子都找不出解决的办法。
The question of world hunger is a very hard nut to crack . I doubt if we'll find the answer to it in my lifetime.
您将看到，有时候通过改变抽象风格，可以解决一些看似难以解决的设计问题，并且可以简化代码。
And you'll see that you can sometimes solve seemingly intractable design problems - and simplify your code - by changing abstraction styles.
灭活病毒疫苗没有此种副作用，要提供保护则需要多剂量，但在流行地区这可能证明是难以解决的。
The inactivated virus vaccine does not have this side effect, but multiple doses are required in order to provide protection which may prove problematic in endemic areas.
陶瓷材料抗拉强度的测试技术一直是个难以解决的问题，而抗弯强度的测定则已经较成熟且简便。
The measuring technique of tensile strength of ceramics is usually sophisticated, but it is easy for us to measure the bending strength of ceramics.
作者利用一种新型优化算法——遗传算法优化短行程控制曲线，解决了传统方法难以解决的优化问题。
The curve of short stroke control which can , t be optimized with conventional methods was optimized with a new optimization algorithm—genetic algorithm.
EPS外保温系统目前在建筑节能工程中广泛应用，但是该系统的开裂一直是工程界难以解决的问题。
EPS external wall insulation system is used extensively at present, but the cracking of this system is urgent to be solved.
在通过可重用组件组装软件的过程中，最难以解决的问题就是如何将软件部署到日益增长的连接设备上去。
When assembling software out of reusable components, the task of deploying software onto an ever increasing number of connected devices is not trivial to solve.
其中的一个问题是，尽管工业生物技术中使用的原材料不来自矿物燃料，但仍会引起难以解决的道德问题。
One problem is that even though the raw materials used in industrial biotechnology may not be derived from fossil fuels, they are still capable of stirring up some difficult ethical questions.
在用直读式电子压力计监测地层压力时，信号电缆线在井口的密封不良，一直是个难以解决的技术问题。
When monitoring formation pressure by read-out electronic gauge, it is a technical problem to settle that the sealing condition of signal line at well head is not good.
在用直读式电子压力计监测地层压力时，信号电缆线在井口的密封不良，一直是个难以解决的技术问题。
When monitoring formation pressure by read-out electronic gauge, it is a technical problem to settle that the sealing condition of signal line at well head is not good.
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