The problem is that it is pretty difficult to ensure and test.
问题是，对此的保证和测试是非常困难的。
It is difficult to ensure quality when welding different materials.
异种材料焊接时焊接质量较难保证。
Sometimes it is difficult to ensure kids are getting all the nutrients they need every day.
有时是很难保证孩子们获得他们所需要的全部营养每一天。
Because of this difference, it is difficult to ensure that these terms are combined correctly after translation.
由于存在这些差别，所以很难确保能够在翻译之后正确合并这些词语。
Traditional processing method is difficult to ensure the curved surface precision, has the unconquerable obstacles.
传统加工方法难以保证曲面精度，存在无法克服的障碍交替传译。
In practice, it is difficult to ensure that the technical architecture is applied consistently when this is a manual process.
实际上，当处于手工过程中时，很难确保技术架构被一致地应用。
Without the necessary responsibility system it will be difficult to ensure quality. We must improve our work in this respect.
没有必要的责任制度，质量难于保证，这方面要很好地整顿。
It is very difficult to ensure that system test is really testing a proper build when development has access to the same machine.
当开发人员有权使用相同的机器时，很难确保系统测试正在真正正确的构建。
Abstract: housing location is the key component in determining the housing price, but it is difficult to ensure the influence degree.
[摘要]房屋位置是决定房价的关键因素，但其影响力究竟有多大却难有定论。
With the outside of the towel, bed sheets and other personal living things, because these things are difficult to ensure that the use of a.
用外面的毛巾、床单等个人生活用品，因为这些东西很难确保是否携带尖锐湿疣病毒。
Using traditional plumb lines in elevator guide rails' installation is difficult to ensure the installation accuracy, wasting time and Labour.
电梯导轨安装精度以往多采用吊线锤法，一般很难保证导轨的安装精度，且费时、费力。
If your site comprises many sites and properties, as the Yahoo! Network does, it may be difficult to ensure a consistent heading style throughout.
你的网站可能包含很多不同功能的子网站，就像雅虎一样，要保持所有网站标题风格的一致是很困难的。
In addition, it was difficult to ensure that all test teams were working with standardized, certified WebSphere Application Server configurations.
另外，很难确保所有测试团队都使用标准化的、认证的WebSphereApplicationServer配置。
Natural ventilation and sun dried food can reach the objective, but constrained by natural conditions, and it is difficult to ensure food hygiene.
自然通风和日晒可以达到食品干燥的目的，但受自然条件约束，且食品卫生难以保证。
However, without signed manifests, it is difficult to ensure that the application installer is not tampered in man-in-the-middle security attacks.
然而，在没有签名清单的情况下，很难确保应用程序安装程序在受到中间人安全攻击时不被篡改。
Within this context, it becomes increasingly difficult to ensure that existing views, adjacencies and open Spaces will be preserved into the future.
在这种背景下，开始逐渐变得难以忍受现有的景观，周边和开敞空间，这些在未来将被取代。
The quantity of source water in some villages reduced obviously or dried up in dry year, so that the villagers drinking water is difficult to ensure.
有的村遇干旱年份，水源的出水量就会明显减少甚至枯竭，村民的生活饮水就难以保证。
All those involved in the decision-making process should have firm philosophy, without which it would be difficult to ensure the effect of the policy.
参与政策过程的利益当事人都应该有坚定的哲学，没有坚定的哲学很难保证政策效果。
It might be very difficult to ensure that an aspect implemented for very valid reasons does not have unwanted effects on existing program functionality.
要保证一个为非常有效推断所实现的方面不会对现存程序功能带来多余的效果是非常困难的。
The traditional methods measure semantic similarity by computing semantic distance between nodes, which are difficult to ensure the accuracy of computation.
传统的语义相似度计算方法大都利用结点间的语义距离来衡量，难以保证计算的准确性。
It is difficult to ensure the samples to identify is orthogonal circumstances, the right to seek ways matrix, and to ensure that the association has good ability?
在难以保证要识别的样本是正交的情况下，如何求权矩阵，并保证具有较好的联想能力？
Wilmut said there were so many failures because it was difficult to ensure that the empty oocyst and the donor cell were at the same stage of the cell division cycle.
威尔·马特说之所以有这么多的试验失败，是因为很难保证空卵囊和供体细胞能处在细胞分裂周期的同一阶段。
Users needn't take responsibility for themselves, so fraud actions and irresponsible services exist in the applications. It is difficult to ensure the service quality.
用户不用为自身行为担负责任，且应用中存在欺诈行为以及不可靠的服务，使得服务质量无法得以较好的保证。
The evaluation of the large-scale bridge is complicated, and the evaluation methods are limited in theory, it is very difficult to ensure the reliability of the result.
由于大型桥梁评估的复杂性，目前各种评估方法在理论上均有一定的局限性，单纯应用某一种方法进行评估，很难保证评估结果的可靠性。
It is difficult to ensure the machining accuracy of large diameter and thin-walled components due to their easy-to-occur characteristic of deformation during machining.
大直径薄壁零件由于存在加工过程中容易变形的特点，难以保证其加工精度。
The general method of contour retrieval is the least square method, but the computational effort of which is too much and the precision of which is difficult to ensure.
提取鱼眼图像轮廓一般是采用最小二乘拟和的方法，但该方法计算量大，精度难以保证。
The general method of contour retrieval is the least square method, but the computational effort of which is too much and the precision of which is difficult to ensure.
提取鱼眼图像轮廓一般是采用最小二乘拟和的方法，但该方法计算量大，精度难以保证。
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