·扑灭森林大火被认为是世界上最难解决的问题之一。
Putting out forest fire is regarded as one of the most difficult problems in the world.
围绕服务调用的安全性也是一个很难解决的问题。
Security around service invocations is also a challenging endeavor.
酸低这一缺陷尤为突出，也是蒸馏最难解决的问题。
The defect of fewer acids is particularly prominent and is also the most difficult question settled by distillation.
而一旦确诊后，是否用药物治疗抑郁还是个难解决的问题。
But once diagnosed, the question of whether to treat antenatal depression with drugs is a difficult one.
但膜污染依然是个较难解决的问题，制约了膜技术的应用。
But the membrane fouling is still a problem to solve, which limits the application of membrane technique.
蒙古文信息网络化中最难解决的问题之一是蒙古文网页的制作。
One of the most difficult problems in Mongolian information networking is the Mongolian Webpage making.
如果有很难解决的问题，不要在正常的学习时间以后还冥思苦想。
When problems are hard to solve, it usually pays not to dwell on them after your normal study hours.
对于口腔临床医生而言，比色是一个比较复杂且较难解决的问题。
Matching the color of mature dentition may be one of the difficult challenges which dentist faces in practice.
历来车牌的定位和字符的识别都是车牌识别技术中比较难解决的问题。
License plate location and character are the difficulties dealt in the identification license plate recognition technology.
并收集对外汉语教学实例及难解决的问题用三个平面理论方法分析、解释。
And to collecting examples of foreign language teaching, and difficult to solve the problem using three methods of analysis of plane theory to explain.
但是，零售商还有一个更难解决的问题：如何确保补充的产品及时交付到仓库？
A much more difficult problem for the retailer is to assure that replenishments for the back room are delivered in time.
如何解决CAPP系统的柔性化和工具化是CAPP研究中较难解决的问题。
It is a difficult problem that resolving a flexible CAPP tools system in CAPP research.
有时可能会出现较难解决的问题，这可能会导致资源花费更多的时间解决该问题。
Sometimes a more difficult question arises, which causes the resource to spend a far greater amount of time solving the problem.
可能我们不应该立马去谴责过去的决定，但要认识到有时会产生很难解决的问题。
And perhaps we should not be so quick to condemn the decisions of the past, but recognize that sometimes there are problems for which there are no easy solutions.
在活性污泥系统中，由丝状菌过度繁殖引起的污泥膨胀是最难解决的问题之一。
The bulking sludge caused by the overgrowth of filamentous bacteria is one of the most difficult problems occurred in activated sludge systems.
对于具有复杂边界条件的矩形外伸板，在弹性薄板理论中是一个较难解决的问题。
In the theory of elastic thin plates, to solve the problem of rectangular overhanging plates with complicated boundary conditions is very hard for long.
在人类手写教码识别中，脱机不规则数码的识别是识别算法中比较难解决的问题。
In recognizing number written by hand, the recognition of offline irregular number is more difficult to solve.
在机器人的位置色标检测系统中，如何提高颜色识别的鲁棒性是一个比较难解决的问题。
It's a difficult problem how the positional color code tracking system of robot recognizes color target robustly and quickly.
南京也不例外，限电、节电是迫在眉睫的事，但到底该限谁的电也是一个很难解决的问题。
Nanjing is not exceptional also, power, energy saving is the imminent matter, but in the end the limit who Electric is a difficult problem to solve.
城市道路压实积雪的快速清除一直是较难解决的问题。目前，仍没有高效实用的除雪机械。
Rapid removing of compressed snow on urban roads has been a problem difficult to solve. There is no efficient and practical machine for it presently.
这是最难解决的问题，但并不是不可能，前提是双方要正视、承认并且准备好一起解决问题。
This is the hardest to work with but not impossible as long as it's named, recognised and both of you are prepared to work on it.
变形是工件热处理过程中常见的现象，是一个较难解决的问题，而淬火对工件的变形影响最大。
Workpiece deformation during heat treatment is a common phenomenon, and is also a difficult problem to be solved, besides, quenching have a greatest impact on the deformation of the workpiece.
为自己叫好加油的方法也只能持续那么长罢了，但要获得持续的动力，是一个很难解决的问题。
Rah-rah pump-yourself-up techniques only last so long, but for sustained motivation, it's all about the why.
同构识别是机构类型综合中一个重要而又困难的问题，同时，也是图论中非常难解决的问题之一。
Isomorphism identification is an important and difficult problem in mechanism type synthesis, it is also one of the most difficult problems in graph theory.
对动态的并作大范围移动的设备同时实施定位、监控、数据通信、语音通信，是一个较难解决的问题。
It's a difficult task to implement orientation, monitoring, data and phonetic communication for some mobile equipment including vehicles moving in a large scale.
然而，霍尔布鲁克仍然相信美国是世界的问题解决者，以“其意愿和实力”，美国能解决最难解决的问题。
Mr Holbrooke, however, still believed that America was the world's problem-solver, and that with "all its will and all its strength" it could put the most benighted spots to rights.
然而，霍尔布鲁克仍然相信美国是世界的问题解决者，以“其意愿和实力”，美国能解决最难解决的问题。
Mr Holbrooke, however, still believed that America was the world's problem-solver, and that with “all its will and all its strength” it could put the most benighted spots to rights.
电液力控制系统中非线性和时变因素引起的波形畸变等控制品质问题是电液控制系统中较难解决的问题。
In electrohydraulic force control system, it is a difficult problem to solve some control qualities such as wave distortion caused by non-linear and time -varied factors.
城市生活垃圾成分复杂，并且焚烧过程中会产生重金属的二次污染，是城市垃圾处理中最难解决的问题。
Because of the complex composition in MSW, secondary pollution of heavy metals in the process of MSW incineration is the most difficult problem to be solved in MSW disposal.
城市生活垃圾成分复杂，并且焚烧过程中会产生重金属的二次污染，是城市垃圾处理中最难解决的问题。
Because of the complex composition in MSW, secondary pollution of heavy metals in the process of MSW incineration is the most difficult problem to be solved in MSW disposal.
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