Horticultural plants are prone to infected by various virus during long term vegetative reproduction, which have blocked the growth and development of horticultural plants, and reduced their economy value, hence great importance have been attached to the prevention and treatment of virus disease in the world. 摘要园艺植物在长期营养繁殖过程中易感染各种病毒病害,严重威胁了园艺植物的生长发育,降低经济价值,目前世界各国对病毒病害的研究和防治都极为重视。
Magazine advertision also allows for excellnet reproduction of photogrphs and artwork that not only grabs buyers attention, but mayalso cinvince them of the products value. 杂志广告也考虑到用印刷精美的照片和插图来吸引购买者的注意力,并且使他们信服产品的价值。
Marx studied the issues of capitalism-to-socialism transition, and analyzed such general economic principles and rules as the interrelationship of steps of social reproduction, commodity production and its law and labour theory of value, which are really universal in all forms of society. 马克思研究了资本主义向社会主义的过渡问题。《资本论》还分析对包括社会主义在内的一切社会都适用的一般原理和规律,如社会再生产诸环节间的相互关系、商品生产及其规律和劳动价值理论。
Through simulation or reproduction and the environment arising from the same cash flow of investment options, where Blacks-Scholes options pricing models-based on the measurement of the value of the ecological environment models, we can achieve the measurement of ecological value. 通过模拟或复制与生态环境期权投资产生相同现金流量的方式,在已有布莱克&斯科尔斯期权定价模型的基础上建立生态环境价值计量模型,实现生态环境价值的计量。
Then chose individuals according to the adaptation function value and did genetic operation ( reproduction, crossover and mutation), so as to produce offspring with best adaptation function value. 用适应函数值大者生存、适应函数值小者淘汰法则选择个体进行遗传操作(繁殖、杂交和变异)以产生更大适应值的后代。
This paper summarizes the history, distribute, environment, habits, reproduction, and economic value of alpaca This summary will be a reference for exploit, use and further research on this topic in the future. 本文综述了羊驼的历史、分布、生活环境、生活习性、繁殖特点、经济价值等资料,为我国对羊驼的深入研究、开发及利用提供参考。
With the materialized force and labour force in the process of sci-tech periodicals reproduction as the starting point of studying, the value structure of academic sci-tech periodicals is analyzed. 以学术性科技期刊再生产过程中投入的物化劳动和活劳动为出发点,分析学术性科技期刊的价值构成。
Though aims of investment and consumption are different, differences between investment and production lie in differences of achievement time of capital circulation in the process of social reproduction and achievement of social value. 投资与消费两者的目的不同,投资与生产的区别在于在社会再生产过程中的资金循环和价值实现的时间不同。
The results indicated that in areas where Anopheles sinensis was the only vector, when the man biting rate was less than 6.7 or the vectorial capacity less than 0.44, it was possible that the basic reproduction rate would be below the critical value 1.0. 结果表明在以中华按蚊为唯一媒介地区,当叮人率低于6.7或媒介能量低于0.44时,基本繁殖率很可能已降到临界值1.0以下。
The process of moral education, which means the spread and reproduction of spirit, is a process of cultural meaning and value realization. 德育过程是一个精神传播和精神再生产的文化意义和价值生成过程。
The mechanism of traditional reproduction theory is affirmation the symbolic significance under the sensible principles governed, and it become a value able proposition to the subversion of post-modern cultural context. 传统再现理论建立的机制是理智原则主导之下符号意义的确定性,这对后现代颠覆所指的文化语境成极有反思价值的命题。
Architectural sculpture to body shape to reflect the life and reproduction of life Therefore, this unique folk architecture carving the most direct expression of the decision of its lofty aesthetic value. 建筑雕刻以形体的造型来反映生活、再现生活。因此,民间建筑雕刻这种特有的最直接的表现性,决定了它的崇高的审美价值。
Therefore, the theory of mechanical reproduction, the value for the sort of contemporary aesthetic and theoretical context of the evolution of theoretical significance. 因此,机械复制理论对于理清当代美学价值演变脉络及学理研究具有理论指导意义。
Owing to its close relation to the reproduction of the original aesthetic value or "literariness", the manipulation of it is often taken as the main access to the evaluation of the quality of a literary translation. 由于与原文的艺术价值或文学性在译文中的再现关系密切,风格翻译常被视作评估文学翻译质量的重要手段。
He stood in the times the height of the emerging technology of mechanical reproduction system theoretical explanation, and replication occurred in the context of the classical aesthetic to modern aesthetic value of the conversion were analyzed. 他站在时代发展的高度,对新兴的机械复制技术进行系统的理论阐释,并对复制背景下发生的古典美学向现代美学价值的转换进行分析研究。
The interactive process of capital and space in hong shan district is that, the space is value-added and achieve reproduction ( surplus value reproduction) in the form of a medium under the background of socialist market economy system. 洪山区资本与空间的互动过程是社会主义市场经济体制下空间以介质的形式实现其增值演替的再生产(剩余价值创造)过程。
In tone reproduction, the liquid ink can reproduce 2% 4% dot area, and relative to the contrast value can be up to offset quality standards. 在阶调复制上,液体油墨能再现2%-4%的亮调网点面积,相对反差能达到胶印的质量标准,浓度对印刷实地密度影响的总体趋势是油墨浓度增大,实地密度提高。
Analyze the connotation of "mechanical reproduction age" theory from both affirming and criticizing attitude, including its analysis of aura and interpretation of the value of art exhibition and worship. 3. 二:从肯定与批判的两个维度入手,分析本雅明机械复制时代理论的内涵:对光晕的分析,对艺术的崇拜价值和展示价值的阐释。
Thus, to start with the color shifts, investigation of the relationship of growth, reproduction and coloration of the crustacean should have applied value. 若从体色变化着手去研究甲壳动物的生殖与生长的关系将具有可观的应用价值。
Meanwhile, the process of the ritual events is also the process of the reproduction of the traditional culture and the value view in the villages. 同时仪式性事件的过程也是村落传统文化和价值观的再生产过程。
The development of the Age of Mechanical Reproduction, which is based on networks, has broken the monopoly of the elite culture and has promoted the continuous development of the mass culture. The tolerance of network media offers anti-mainstream the value of culture liberation. 以网络为基础的机械复制时代的发展,打破了精英文化的垄断,推动了平民文化的不断发展;网络媒介的宽容性特征使山寨文化具有了文化解放价值。
Therefore, the research of the phenomenon of literary reproduction must face the reality, and its also a proposition with research value. 因此,对文学复制现象的研究,有其现实针对性,也是一个有研究价值的论题。