查询词典 abstraction

Computer application; Chinese information processing; automatic abstraction; vector space model; paragraphic similarity; topic segmentation

关键字］计算机应用；中文信息处理；自动文摘；向量空间模型；段落相似度；主题划分

Abstraction Introduction Rheumatoid arthritis is a chronic polyarticular inflammatory disease that is usually characterized by symmet...

前言 类风湿关节炎(rheumatoid arthritis，RA)是一种常见的以关节组织慢性炎症性病变为主要表现的全身性疾病。

Coverage includes water and soil contamination; environmental problems associated with transportation; geological processes affecting biosystems and people; remediation of man-made or geological hazards; environmental problems associated with mining and abstraction activities for industrial minerals, coal and ores as well as for oil and gas, water and energy; environmental impacts of exploration and recultivation; impacts of hazardous facilities and activities; land use management; management of environmental data and information in data banks and information systems.

主题包括：废弃物处理和管理造成的水和土壤污染；工业造成的水和土壤污染；运输引起的环境问题；威胁或影响生物系统和人们的地质作用过程；人类造成的或地质作用引起的灾害的减缓；地球物质材料资源的恢复保护；采矿活动造成的环境问题，如煤、金属矿石、石油、天然气、水等；勘探的环境影响；危险物质和活动的环境影响；土地利用（包括社会政治的政策决定）；环境数据和信息的管理。网站免费提供该刊1975年创刊至今的目次和文摘，全文则仅限授权用户使用。

E Redescribe one of your profession's existing functions in an abstract way, and then identify several other activities to which the same abstraction could be applied -- including activities that are currently performed by other professions.

用一种抽象的方法重新描述一个专业内已经存在的原理，然后找出这种抽象可以运用的大量其他活动，——包括那些在其他专业已经运转的活动。

Only single feature abstraction algorithm will induce real-time or robusticity insufficiency. So the paper mainly pays attention to the integration of different algorithms and to the option for different algorithms based on different environments.

由于单独采取某种特征提取算法明显具有实时性或鲁棒性等不同的缺陷，因此，综合多种算法，提出在交通视频监控系统中有效实用的算法是本文的主要研究方向。

Bangladesh argues that the abstraction of the headwater flows by India is causing serious effects in Bangladesh drying up of the mangroves, affecting drinking water, agriculture, salination, corrosion of industrial plant and so on.

孟加拉国抗议道，印度在上游分流河水会导致孟加拉国面临严重的后果--红树林将大量死亡，饮用水、农业将遇到威胁，还有盐碱化以及工厂带来的溶蚀化问题等等。

Through series of working procedures abstraction, elaborate incision and flawless burnish, Produce kinds of crystal gifts, crystal cup, crystal trophy, crystal sculp, crystal color printing and crystal crystal, the main materials of which are crystals and metals.

以水晶、金属为主要原材料，经过一系列工序提炼，再经精细的切割和绝无瑕疵的打磨，量身订造国内外客户所需的各种水晶礼品、水晶奖杯、水晶奖牌、水晶内雕、水晶彩印和水晶纪念品。

This paper compared two kinds of rose families sorbus of different effective spots of total flavonids content. We get a better process of total flavonoids abstraction from the branch of Sorbus tianschanica,.Under the best process of total flavnoids ,two flavnoids were isolated from them. Preliminary affirmed two kinds of compounds belong to flavanone, two kinds of structure just substituent had a dissimilarity separately. This thesis was a part of a national natural science fund to subsidize.

除此，本论文还对新疆天山花楸的枝干总黄酮的提取工艺进行了研究，得到了最佳提取工艺，在最佳提取工艺的条件下对新疆天山花楸的枝干进行了系统的提取和硅胶柱层析，得到两种化合物，初步认定两种化合物属于二氢黄酮类，两种化合物的结构相似，只是个别取代基有所不同，本论文是国家自然科学基金资助项目。

WebForms takes the view that UIs should be stateful, and to that end adds a sophisticated abstraction layer on top of HTTP and HTML, using ViewState and postbacks to create the effect of statefulness.

WebForms 认为 UI 应该是有状态的，出于这个原因在 HTTP 和 HTML 上增加了复杂的抽象层，使用视图状态和回发来产生具有状态的效果。

The sumption is the abstraction of the past case facts, minor premise reside by the dominant status, sumption should suit for minor premise, sumption can not alter minor premise but can be altered by minor premise.

大前提是对过去案件事实的提炼，小前提居于主导地位，大前提要适合小前提。大前提不能改变小前提，却要随着小前提的改变而改变。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。