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Describes the structure property and parameter, ofФ450?000 rubber/ wire calender group, therefore the problem of steel cord calendered which is difficult cut has been solved.

介绍了Φ50×000橡胶钢丝压延机组结构、能参数及结构特点，在设计中解决了压延后的钢丝帘布不易切割的问题。

It is difficult to evaluate a vibratory roller's compacting capability with one simple physical index. There is a problem of "force structure" in it.

评价振动压路机的压实能力难以用一个简单的物理量作为指标，这里有个&力&的结构问题。

Previous solutions to these problems, such as topology conversion methods and forward-pointed arcs methods, not only have deficiencies of having high temporal and spatial complicacies, but also have shortcomings for the topological data difficult to be formed and be renewed in good time. This paper comes up with an Arc Topology Algorithm to solve one-way road prohibitions and turn penalties problems, and puts forth Azimuth Algorithm and Turn-angle Algorithm to solve nodal weight problem.

针对以往的解决方案如转换网络法和扩展的前向关联边法计算的时间复杂度和空间复杂度高以及拓扑数据难以建立和难以实时更新的缺陷，论文构造了弧段拓扑法以解决单向行驶限制和转向限制问题，构造了方位角法和转向角法以解决节点权重问题。

We played well, but we are conceding goals and that makes it difficult if you want to win. It is a problem and we have to improve.

&我们踢得非常出色，但是我们失球，这让胜利围上了栏杆，这是一个问题，我们必须要改善。&

There is a deeper problem, though, that will be more difficult to resolve.

但还存在一个更为严重的问题，解决的难度更大。

It's a problem desiderating solution for power industry, energy industry, aviation and shipping to real-time measure the high-speed rotating blade vibration. The conventional contacting measurement technique is difficult to measure the vibration of all blades in one stage at the same time. So foreign scholars have being applying them to research a new non-contact measurement technique using blade tip-timing.

高速旋转叶片振动实时监测技术是电力工业、能源工业、航空、航运业亟待解决的难题，传统的接触式测量方法很难做到同时监测同级的所有叶片的振动情况，因此国外一直在致力研究一种非接触式旋转叶片振动测量新技术—叶端定时测量技术。

The critique of Communitarianism to Rawls is that Rawls empathizes justice but doesn't solve the problem since his theory based on liberalism is an abstract personal rights, he discusses the justice away from specific history, tradition and community, especially disregards the fact of human society pluralism and seeks a liberalist universalism scheme to solve society justice, this is difficult to solve.

特别是回避了人类社会的多元主义事实而用自由主义的普遍主义方案来统一整个社会正义的解决方案，使这一问题不能很好地解决。

Since the determination of dynamic load is difficult especially for structures with a great many degrees of freedom and nonlinearity such as guyed mast and power transmission tower,few researches have focused on this problem.

动态荷载的确定是一个较难的问题，自由度多且具有非线性的桅杆、输电线塔结构的动态荷载识别更少有人涉足。

However, when what the development that is Chinese software industry in us invigorates, we must be faced it is difficult that the problem of industry of software of a few our countries is mixed nowadays, be a priori a little among them, objective, and some are factitious however, can avoid and overcome.

然而，在我们为中国软件产业的发展所鼓舞的时候，我们不得不面对如今一些我国软件产业的问题和困难，其中有些是先天的、客观的，而有些却是人为的、可避免和克服的。

Along with the development of the economy, salary problem become more and more sensitive and difficult to manage.

随着经济的发展，薪酬问题变得越来越敏感而又难以管理。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。