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The jib system of portal crane is considered to be elastomer in this paper. Besides, taking finite element as basic theory and mechanical dynamics as analysis method,the paper simulates the virtual luffing process of jib system and seeking the relationship between plane movement and dynamic pressure condition of jib system using ANSYS8.1. By analyzing ,the paper gives some advice on structure optimizing.

针对以上问题，本文以MQ2535门座起重机臂架系统为研究对象，将门座起重机整个臂架系统视为弹性体，以机械动力学和有限元为理论基础和分析手段，运用有限元软件ANSYS8.1模拟臂架系统的实际变幅过程，探寻物品在变幅过程中水平移动与臂架系统结构动态受力之间的关系；通过分析其受力情况，对其结构的优化提出了一些建议。

Interventional therapy via jugular vein access is a safe, minimally-invasive and effective treatment for portal thrombosis.

经颈静脉途径介入治疗门静脉血栓是安全、微创、有效的方法。

If you don't want to participate, then you're going to pay a much higher rate per kilowatt-hour," says Peter Corsell of GridPoint, a company that has developed a web-based portal that lets people respond to price changes from utilities."

如果你不想加入，你将为一度电付更高的价格。"格点电网公司的Peter Corsell说。该公司以开发出基于网页的门户网站，能让人们对电价变化做出反应。"

Since this year, china's mobile 12580 lives portal began to undertake wholesale market is popularized; Before this, chinese telecommunication is integrated also original 114 parts service is unified offer " life know-all " service.

今年以来，中国移动的12580生活门户开始进行了大规模市场推广；此前，中国电信也整合了原有114部分服务统一提供"生活百事通"服务。

Looking similar to its previous "Network Space" product in terms of the square look and general specifications, the new LaCie Internet Space has, however, added a new feature which allows users to access the data stored in it via a portal on LaCie's website.

寻找类似以前的"网络空间"的产品在广场的外观和一般规格，新的互联网空间的LaCie然而，增添了新的功能，使用户能够访问数据存储在它通过一个门户网站LaCie的网站。

The patent paraumbilical vein is echo free tubular structure and continuous with the left portal vein, it also can be enhanced as a vascular structure in CT scan though it revealing a hypodense structure before contrast injection and simulating a hepatic tumor.

当门静脉压增高时，脐旁静脉变粗形成一侧枝循环，上述结构以超音波扫描时为一管状无回音之结构；以电脑断层扫描时，在注射对比剂前似一低密度之病灶，但在注射对比剂后其密度增高非常明显，可高达100Hu，显示其为血管构造。

In a letter submitted shareholder, Yahoo board of directors also said that this portal is willing to share, or 33 U.S. dollars higher prices sold to Microsoft.

在递交股东的信件当中，雅虎的董事会还表示，这家门户网站愿意以每股33美元或者更高的价格出售给微软。

When portal hypertension the left umbilicalis vein reopened and dilated, the ligamentum teres hepatic could easily be discovered.

正确认识肝圆韧带的不同的螺旋CT影像表现，有助于鉴别肝组织的其它病变。

Lightsome leading Internet companies as technology changes and also update the concept of change, from the early development of the Internet portal to the Internet bubble broke ....

引领风骚的互联网公司随着技术和理念的变更也在更新变迁，从互联网发展初期的门户网站到互联网泡沫破。。。。

A similar space between an arch and the lintel of a portal or window.

在跨度内有两个明显的中心点且弧度比较平缓的拱。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。