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Based on the environmental performance information in oil company's separate environmental report and the 30 environmental performance indicators of Global Reporting Initiative, this article found that, most important environmental performance indicators are not fully disclosed and those disclosed are qualitative instead of quantitative. Company even discloses fewer indicators year after year. What's more, positive activities and indicators are more elaborated. Information is scattered. All of these lead to the incomparability and difficulty of environmental performance evaluation.

本文首次依据全球报告倡议组织《可持续发展报告指南》(2006年版)中的30个环境绩效指标对中石油独立环境报告中环境绩效信息披露的研究发现,中石油环境绩效指标披露不完整,重要的核心指标披露情况更不理想,年度间纵向比较还出现了倒退;定性指标披露多于定量指标;体现企业积极行动和效果的内容和数据披露得相对较为详细,存在选择性披露问题,可比性较差,相关信息披露也较为散乱,不利于读者进行环境绩效评估。

The computer and networks fly to develop to make rapid increment of the whole data of realm and information, and because of the mankind participation the indetermination of the data and the information systems becomes more obvious.

因此,如何从大量的、杂乱无章的、强干扰的数据中挖掘出潜在的、有利用价值的信息,便成为人类智能信息处理中面临的前所未有的挑战。

A promising technique is the Rough Set theory,a new mathematical approach to data analysis based on classification of objects into similarity classes which are indiscernible with respect to some features.

而传统的数据检索机制和统计分析方法提供的信息,远远不能满足决策者的需要,人们需要对数据进行更高层次的处理。

Advanced by Z.Pawlak in 1982,the rough set theory analyzes inadequate information efficiently such as inexactitude or dissonant information.The advantage of the rough set theory is no need of any initial or extra information such as the probability dispersal of statistics and so on.

Z.Pawlak于1982年提出的Rough集理论有效地分析了不确定、不精确、不一致等各种不完备信息,其优点是无需任何关于数据的初始的或附加的信息,如统计学中的概率分布。

This tutorial will explain the concepts behind the HTML and JavaScript that make up the info-window editing user interface, as well as the PHP code that can be used to add the saved info window data into a MySQL database.

本教程将解释背后的HTML和JavaScript的概念构成的信息窗口编辑的用户界面,以及PHP代码可以用来添加到一个MySQL数据库保存信息窗口的数据。

In order to make good use of the historical observational data,this paper suggests that the forecasting problem should be regarded as an inverse problem rather than an initial value problem.

进一步论证了数值模式的误差信息,也或多或少的隐藏在过去的历史数据中,为了充分使用过去的观测数据,本文建议改变问题的提法,不提成初值问题,提成反问题。

It can provide effective protection for digital media forgery, authentication, security and intactness by embedding a special mark into multimedia data.

数字水印技术主要通过在媒体信息中嵌入标记信号,为媒体信息在防伪、防篡改、认证、保障数据安全和完整性等方面提供有效的技术手段。

It can provide effective protection for digital media forgery, falsification, authentication, security and intactness by embedding a special mark into the multimedia data.

它主要通过在媒体信息中嵌入标记信号,为媒体信息在防伪、防篡改、认证、保障数据安全和完整性等方面提供有效的技术手段。

Because GISs have the ability to link data sets together by geography, they facilitate interdepartmental information sharing and communication.

由于GIS具有将数据集合和地理信息链接起来的能力,促使它们之间共享和交流局部信息。

The connecting unit can receive electric signal, the internal memory can store data, the processing unit can choose switching between the first and second operation modes in accordance with the electric signal, and access of data according to the chosen operation mode, and the display can show the information of control and condition of the storing device.

一种可携带的存储装置,可切换于第一操作模式与第二操作模式,存储装置包括有:连接单元、处理单元、内存和显示器,连接单元可接收电信号,内存用以存取数据,处理单元依据电信号选择性地于该第一与第二操作模式间做切换,并依所切换的操作模式进行数据的存取,显示器可显示存储装置的控制及状态信息。

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推荐网络例句

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象,运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查,调查结果发现,石家庄市初中生物教师这一群体普遍存在职业倦怠,情感枯竭程度偏高,成就感偏低,去个性化程度最为严重。

In measurements of a day,generallyspeaking,the photosynthesis of birch in mesophytic habitat is better than that in xerophytichabitat(peak values are 12.8,10.33μmolCO2m-2s-1 respectively);that of sexual birch inmesophytic habitat is better than that of clone birch(peak values are 9.87,6.71μmolCO2m-2s-1respectively);that of young tree is better than that of seedling(peak values are12.37,10.05μmolCO2m-2s-1 respectively).

在一天中的各个时刻,总体说来,中生生境生长的白桦光合作用超过旱生生境生长的白桦光合作用(净光合速率峰值分别为12.8、10.33μmolCO2m-2s-1);白桦幼树的光合作用超过白桦幼苗(净光合速率峰值分别为12.37、10.05μmolCO2m-2s-1);中生生境有性白桦的光合作用超过无性白桦的光合作用(净光合速率峰值分别为9.87μmolCO2m-2s-1、6.71μmolCO2m-2s-1)。