虽然从饮用水中去除过量氟化物可能很困难并且费用高昂，但仍然存在可在地方一级采取的费用低廉的解决办法。
Although removal of excessive fluoride from drinking-water may be difficult and expensive, low-cost solutions that can be applied at a local level do exist.
在二年级的时候被定位为诵读困难者，此后他就被安排到特殊教育班，并且每周都有一名家庭教师上门给他补习三小时的阅读课程。
After learning he was dyslexic in the second grade, he was placed in special education classes and a tutor came to his home three hours a week.
通常是具有足够领域和最终用户知识、能对特性的优先级作出困难决定的人。
Usually it's somebody with enough domain and end-user knowledge to be able to make the tough decisions about the priority of features.
从产品负责人的角度，Scrum需要他们定期对优先级尽早做出困难的决策——产品Backlog中的工作条目，我们哪些先做？哪些后做？
From a Product Owner perspective, Scrum requires them to make early and regular difficult decisions on priorities - what items from the Product Backlog should we do now and later?
但是诵读困难的症状是与生俱来的，只是家长和老师一直都没有发现这个问题，直到孩子升到三四年级。
The symptoms have been there since birth but parents and teachers do not usually pick up on the dyslexia until the child reaches 3rd or 4th grade.
由于对这些认识得越来越清楚，攻击者发现在网络级上危害系统更加困难。
With this increased awareness, attackers are finding it more difficult to compromise systems at the network level.
要达到50级以上是十分困难。
说了多少爱你，也不级遇到困难，你说的一句别怕，有我。
How much love you, is not encountered difficulties, you say I have a fear.
虽然这从未被证实，这么做对PLA海军是没有困难的因为导弹已经成功地与039型(宋级)柴电潜艇一起整合。
While this was never confirmed, there is no difficulty for the PLA Navy to do so since the missile has already been successfully integrated with the Type 039 (Song class) diesel-electric submarine.
很多时候，我们设定目标在实现的过程中会受到沿途中各种因素的影响，因为会遇到各种各样的困难、各种意外情况并需要不断调整优先级。
Often times, the goals we set and our goal achievement process are subjected to a lot of changes along the way, due to varying obstacles, unanticipated circumstances and changing priorities.
一个选择了困难的70级副本其敌人会变的极度危险，但是也因为难度的提升而获得相当丰厚的回报。
In a level70 dungeon on hard, the enemies will be extremely dangerous but you will definitely be rewarded better for doing the harder difficulty mode.
同时指出8.1级特大地震的特殊性和预测预报的困难性。
Finally, the particularity of great earthquake with M8.1 and difficulty of earthquake prediction are showed.
石油加工过程中存在大量的复杂反应体系，建立这些过程的分子级的动力学模型十分困难。
The establishment of reaction kinetic models on molecular scale is very difficult for many complex reaction systems existing in petroleum processing.
你有28级可以挑战，困难越来越大。
尽管有这些困难，他还是给升入了四年级。
Despite these difficulties, he was promoted to the fourth grade.
低同源蛋白质的二级结构预测至今仍然是一个困难的问题。
Prediction of lowly homological protein secondary structure is still a difficult problem up to now.
目的了解镇级医院护理人员科研开展状况以及存在的问题和困难。
Objective to investigate the nurses research status, existing problems and difficulties in town-level hospitals.
研究分析了常规分割算法在低对比度弱小目标图像分割中存在的主要困难，提出了对预处理和图像采取两级分割的方法。
As the main difficulty in small target image segmentation is analyzed by using routine method, a new method basing on two-time segmentation of the processed images is applied.
获奖理由：世界级的顶级设计专家，他的成长经历同样也给许多青少年以激励，给与他们克服困难的决心、信心和毅力。
VALUE: Top Designer with a desire to young children overcome problems of obesity which is an area he is well positioned to advance on.
存活的大多数患者只有III级呼吸困难或更轻，几乎没有支架相关症状。
Most survivors had Medical Research Council grade III breathlessness or better, with few stent-related symptoms.
发现炉管损伤在4.5级及以上时，炉管焊接修复困难，而在此损伤级别以下，炉管一般均能较好地修复。
It was found that repair of furnace tubes is difficult as damage rates are 4.5 or above. When damage rates are below 4.5, repair of furnace tubes is feasible.
随着器件功能的日益复杂和封装的多样化，实现器件级的鉴定越来越困难。
Due to the complicity of the component's functions and the variety of device's packaging, the component level testing is getting more and more difficult.
以外力地质作用、困难度指数和地表切割密度作为公路地貌二级区划的主导指标；
Based on those works, the index system of landform regionalization of highway in China was developed.
单级高频脉冲管制冷机直接降低到20K以下温区存在很大困难，采用多级方案是高频脉冲管制冷机获得更低温度的主要方法。
Use single stage version to reach the temperature of 20 K is a difficulty for high frequency pulse tube cooler (PTC). Multi-stage version is a popular method to reach the low temperature.
处于成熟度初始级的组织留住有才能的员工通常很困难。
Organizations at the Initial Level of maturity usually have difficulty retaining talented individuals.
由于协同优化独特的数学结构，其主要的计算困难在于如何构造有效的系统级协调优化的约束模型。
The mathematical property of co is analyzed, which pointed out that the main difficulty in co is how to construct the system-level constraints.
在供电条件比较差的地区，取得第二个电源供给一级负荷有困难时，也需要增设应急备用电源。
In areas of poor power condition, where it's difficult to get an alternative power to supply class 1 load, an emergency power is required.
我6年级到了一所新学校，然而我和所有孩子相处都有点困难。
Sixth grade was a new school to me and I had a hard time kind of getting along with all the kids.
我6年级到了一所新学校，然而我和所有孩子相处都有点困难。
Sixth grade was a new school to me and I had a hard time kind of getting along with all the kids.
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