漏洞所造成的安全问题具备一定的时效性，每一个漏洞都存在一个和产品类似的生命周期概念。
Vulnerabilities caused by security issues have certain timeliness, every loophole has a and the life cycle of products similar concepts.
然而，现行的系统不同程度地存在以下问题：1、时效性难以满足要求。
However, the existing system to varying degrees, the following questions: 1, it is difficult to meet timeliness requirements.
传统的课堂教学质量评价方法存在着主观性大、计算繁琐以及时效性差等问题。
Traditional assessment methods of classroom teaching quality have such disadvantages as being subjective, complex computation and weak effectiveness.
净资产收益率通常被视为是评价一家上市公司的关键指标，但它存在着时效性、风险性、价值性等方面的缺陷，仅靠它来评判上市公司发展潜力有可能走入误区。
Net asset profit margin is usually regarded as a key data used to value a company. However, this data has a lof of flaws, like time, risk, valuing and so on.
针对防汛工作中存在信息时效性低和信息获取受办公条件限制等问题，结合防汛工作的特点，设计并开发了基于无线应用协议（WAP）的防汛无线信息系统。
In this paper, a micro-browser design scheme for a kind of embedded mobile terminal used in the wireless application environment under the Wireless Application Protocol(WAP) technique is presented.
针对防汛工作中存在信息时效性低和信息获取受办公条件限制等问题，结合防汛工作的特点，设计并开发了基于无线应用协议（WAP）的防汛无线信息系统。
In this paper, a micro-browser design scheme for a kind of embedded mobile terminal used in the wireless application environment under the Wireless Application Protocol(WAP) technique is presented.
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