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| Abstract: Liveness and safeness are important behavioral properties of nets (systems).Many powerful results have been derived for some subclasses of Place/Transition nets (systems).The aim of this paper is to draw a general perspective of the liveness and |
中文意思：
文摘:活性与安全性是网系统重要的行为性质.对于位置/变迁网系统的一些子类，人们已为之导出许多有意义的结果.该文贡献在于为一种称为加权扩充自由选择网的网系统子类找到活性与安全性的一般性质.文章先给出其活性等价条件的简要与直观的证明,随后,对于这一类安全的子系统又给出活性的充分必要条件. |
以下为相关句子列表(点击查看，可以看对应的解释）：
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Abstract: Latest progress in oil refining catalyst techniques abroad was reviewed, including FCC, hydrofining, hydrotreating, hydrocracking and catalytic reforming catalysts, with emphasis on new products of some representative producers of oil refining c
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文摘:以国外炼油催化剂生产具有代表性的大公司推荐的新产品为例，综述了催化裂化、加氢精制、加氢处理、加氢裂化和催化重整五类石油炼制催化剂的技术发展近况，并列举了部分应用实例。 |
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Abstract: Layout forms of irrigation canal system can be generally classified as three categories: series-wound canal system, equivalent shunt-wound canal system and nonequivalent shunt-wound canal system.
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文摘:灌溉渠系的布置形式一般可分为串联渠系、等效并联渠系和非等效并联渠系，对这3种灌溉渠系水利用系数进行了理论研究。 |
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Abstract: Legal application for the system of damages is applied widely in Common Law, compared to traditional civil system of compensatory damages.
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摘要:惩罚性损害赔偿制度是相对于传统的补偿性损害赔偿制度而言的，它是英美法中广泛认可的一种法律制度。 |
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Abstract: Liquid-phase chromatographic instruments and electric conductivity detectors produced by two factories were connected and adjusted for the purpose of their smooth operation.In addition,the optimum working conditions for detecting some inorganic
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文摘:对来自2个厂家的液相色谱仪和电导检测器进行连接、调试，使其能正常运行，并确定检测饮水中某些无机阴离子的最佳工作条件。 |
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Abstract: Literature is colsely related to language,cultural background,slang and writing,etc.Therefore,the positive role of literature in English teaching shouldn't be negelected.
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文摘:英美文学在语言、文化背景、俚语及写作等方面对提高学生英语水平都有较大帮助，因此不可忽视英美文学教育在英语教学中的积极作用。 |
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Abstract: Liveness and safeness are important behavioral properties of nets (systems).Many powerful results have been derived for some subclasses of Place/Transition nets (systems).The aim of this paper is to draw a general perspective of the liveness and
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文摘:活性与安全性是网系统重要的行为性质.对于位置/变迁网系统的一些子类，人们已为之导出许多有意义的结果.该文贡献在于为一种称为加权扩充自由选择网的网系统子类找到活性与安全性的一般性质.文章先给出其活性等价条件的简要与直观的证明,随后,对于这一类安全的子系统又给出活性的充分必要条件. |
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Abstract: Loop shape in fabric are analysed in this paper and the equation about law between remnant curvature and yarn linear density,yarn mechanical properties and knitting elements dimensions is set up.Based on the theoretical analysis and experiments,
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文摘:分析了织物中线圈的形态,推导出了线圈残余曲率与纱线细度、纱线机械性能及成圈机件尺寸之间的关系式.在理论分析和实践的基础上讨论了线圈的残余曲率与织物外观形态和尺寸间的关系. |
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Abstract: Low temperature separation, uses the high energy from the wellstream to throttle and reduce pressure, then remove the condensate.
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文摘:低温分离，是利用地层本身能量节流降压制冷，用低温分离方法脱除天然气中凝液的处理工艺。 |
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Abstract: Luxury consumption is always connected with motivation of flaunt.
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摘要：消费的奢侈性通常被认为与炫耀动机有关。 |
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Abstract: Main aspects concerning the mechanical cold expander for straight weld pipes located at Zhujiang Steel Tube Co.,Ltd.,Panyu,Guangdong Province are described,including working principle,structural features and process operation sequence.Also descr
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文摘:简要介绍了广东番禺珠江钢管有限公司大口径直缝焊管生产用机械式冷扩径机的工作原理及结构特点、工艺运行程序，并对在研制过程中的几个具体问题阐述了自己的观点。 |
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Abstract: Main economic characters, seed and stem yield, disease and insect resistance and adaptability of Nongdagaoyou 115 newly introduced have been, compared with main varieties extended in Fenggang-Jiaoshandanjiao and Nongda 108.
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文摘:对粒秆兼用型玉米农大高油115在凤冈县种植的主要经济性状、粒秆产量、抗病虫性、适应性等与凤冈县主推品种杂交玉米交三单交、农大108进行对比试验。 |
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