题目内容
在Web服务技术体制中，______是实现服务组合的事实标准。服务组合过程中需要提供对Web服务多种高级特性的支持，通常采取制定规范，对SOAP消息进行扩展的方式实现。例如，规范______通过对SOAP消息的扩展，实现Web服务的安全性。 数列X1，X2，…，XP存在极限可以表述为：对任何ε＞0，有N＞0，使任何n，m＞N，有│Xn-Xm＜ε。数列X1，X2，…，XP不存在极限可以表述为 。
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In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet. With the implementation of 5 , the so - called network has become a reality. The provision of such facilities is the most important part of the network requirements. However, in many applications the communicating computers may be of different types. This means that they may use different programming languages and, more importantly, different forms of 6 interface between user(application) program, normally referred to, as application processes, and the underlying communication services may be 7 . For example, one computer may be a small single - user computer, while another may be a large 8 system. In the earlier days of computer communication, these issues meant that only closed communities of computers (that is, from the same manufacturer) could communicate with each other in a meaningful way. IBM’s Systems Network Architecture (SNA) and DEC’s Digital Network Architecture (DNA) are just two examples of communication software packages produced by manufacturers to allow their systems to be interconnected together. These proprietary packages, however, of which there am still many inexistence, do not address the problem of universal interconnect ability, or open systems interconnection. In an attempt to alleviate this problem, 9 , in the late 1970s, formulated a reference model to provide a common basis (or the coordination of standards developments and to allow existing and evolving standards activities to be placed into perspective with one another.
讨论影响高分子介电常数和介电损耗的因素。
在Web服务技术体制中，______是实现服务组合的事实标准。服务组合过程中需要提供对Web服务多种高级特性的支持，通常采取制定规范，对SOAP消息进行扩展的方式实现。例如，规范______通过对SOAP消息的扩展，实现Web服务的安全性。 以下不属于软件工程需求分析阶段任务的是______。
随着互联网技术的快速发展，企业门户已经成为企业优化业务模式、扩展市场渠道、改善客户服务，以及提升企业形象和凝聚力的重要手段。按照实际应用类型，企业门户可以划分为4类，分别是企业网站、企业信息门户、企业______门户和企业应用门户。为了支持跨越多个应用系统的工作流程，企业门户主要采用______技术对现有应用系统的处理逻辑进行整合。 某IT企业计划对一批新招聘的技术人员进行岗前脱产培训，培训内容包括编程和测试两个专业，每个专业要求在基础知识、应用技术和实际训练三个方面都得到提高。根据培训大纲，每周的编程培训可同时获得基础知识3学分、应用技术7学分以及实际训练10学分；每周的测试培训可同时获得基础知识5学分、应用技术2学分以及实际训练7学分。企业要求这次岗前培训至少能完成基础知识70学分，应用技术86学分，实际训练185学分。以上说明如下表所示：编程(学分/周)测试(学分/周)学分最低要求基础知识3570应用技术7286实际训练107185 那么这样的岗前培训至少需要 周时间才能满足企业的要求。
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