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Finally, the thesis will bring forward the strategies and suggestion of developing the industry, and as the following: firstly, enhance the well-bred breeding system of the main yellow-feather broiler as soon as possible from the inherit characteristics of broiler to Hong Kong; secondly, introduce advanced science and technology to reduce the ratio of feed consumed and meat and increase the economic benefit; thirdly, make the nutrition requirement of broiler standardization and the epidemic prevention system of poultry disease strengthen; fourthly, promote the enterprise to build the system of sincerity and trust to guarantee the quality of living chicken to Hong Kong; fifthly, make the management of veterinary medicine and quality supervising strengthen and forbid to use the contraband and unsanctified medicine and improve the system f rudimental medicine; sixthly, reinforce the hygiene and epidemic prevention in breeding room to improve the competition of living chicken in Hong Kong market; finally, introduce the system of HACCP, and carry out ISO9000 quality management system and ISO14000 environment management system, and adopt the advanced international way to manage the exported enterprises.

第八部分针对目前供港活鸡市场存在的问题,提出发展供港活鸡产业的策略和建议,包括:(1)从供港活鸡主要品种的遗传特性着手,尽快完善供港活鸡主要品种黄羽鸡的良种繁育体系;(2)引进先进的饲料科技技术降低料肉比以提高养禽经济效益;(3)规范肉食饲养的营养标准并加强禽病防疫体系的建设;(4)推动企业建立诚信制度,切实保供港活鸡产品的质量;(5)加强兽药管理和质量监管工作,禁止使用违禁药物和未被批准的药物并完善残留监控体系;(6)切实加强养殖场的卫生防疫工作,增强供港活鸡产品在香港市场的竞争力;(7)导入HACCP体系,尽可能推行ISO9000质量管理体系和ISO14000环境管理体系,以当前国际通行的先进方式管理禽肉出口企业。

That a small body of men like the troops of Liu Po-cheng should have entered a region already given over to the national enemy, have seized and eliminated bandits that were terrorizing the countryside, have established governments where there were none - that they should have, instead of fighting for their very existence, increased their forces ten and fifteen fold, and have crowned the whole effort by gaining control of nearly all the countryside beyond the cities - that this should have been done, not to a wastrel warlord in the wane of his fortunes, but to a proud and mighty foreign invader at the very height of his power, in the very hour of his victory, when almost all the rest of China was giving way before him - that all this should have been done by a mere handful of peasants and intellectuals who had been born from two rifles is a thing almost too extravagant for the pages of history.

刘伯承率领为数不多的小部队,居然敢于深入到已经沦陷于民族大敌手中的地区,剿灭了危害乡里的土匪,在没有政府的地方建立了政府。他们非但未被消灭,反而把自己的力量扩大了十至十五倍。最后,他们成功地控制了除城市以外的几乎全部农村。他们的对手并非一些没落的昏庸军阀,而是胜利在握、骄横不可一世、几乎把整个中国踩在脚下的外来侵略者。而他们自身,只不过是靠两条步枪起家的一小股农民和知识分子。这样惊天动地的业绩,实在是历史上前所未闻,然而却是千真万确的。但是,正由于共产党势力如此惊人地发展起来,由于他们对日军交通线的勇敢袭击,不久就给他们带来了巨大的因难。

Creating chorioretinal venous anastomosis potentially offers a means of permanently bypassing the site of obstruction to venous outflow, to recovery the retinal blood circulation and to reduce the retinal ischemia. It is one of the methods curing the reason of CRVO and is demonstrated effective in non-ischemic CRVO patients using laser-induced chorioretinal venous anastomosis. Patients with ischemic CRVO have more severe situations and high risk factors of later neovascular complications occuring, the surgery of via a pars plana vitrctomy combined chorioretinal venous anastomosis can be the newest attempting treatment.

其发病机理和病因目前仍未完全阐明,也没有有效的治疗措施;除常规的药物和针对新生血管并发症的视网膜光凝治疗以外,近年来开展的各种旨在重建或恢复视网膜血液循环的激光和手术治疗方法正日益成为眼科界关注的焦点;利用建立脉络膜视网膜静脉吻合途径,使被淤滞的静脉血流经由脉络膜血管流出眼外,促进或者恢复视网膜血液循环,减少视网膜缺血缺氧状态的发生,是多途径CRVO对因治疗的方法之一。

Based on the laser longitudinal mode splitting theory, a novel scheme of dual-frequency laser with large frequency-difference is presented using electrically controlled birefringence of liquid crystal, and the transmitted resonant mode splitting by birefringent of Fabry-Perot etalon has been analyzed theoretically. A new element of liquid crystal Fabry-Perot etalon is designed and fabricated, which serves as aselector and splitter of both laser longitudinal modes and Fabry-Perot etalons transmitted resonant modes. Two different experimental systems of laser-diode end-pumped Nd:YAG laser have been set up using two different LDs, and the transmission of liquid-crystal cell have been measured. When the empty LCFP is inserted in the cavity of high-power LD pumped Nd:YAG laser, the oscillation of a single laser longitudinal mode have been observed, such a result shows that the designed and fabricated LCFP element is capable of selecting single axial mode. While an anti-reflected liquid crystal cell is inserted in the cavity of Nd:YAG laser end-pumped by the high-power LD, it is difficult to confirm weather the laser longitudinal modes have been spitted or not. The subject is summarized in this thesis and the improvement of the project has been presented.

论文以激光纵模的分裂理论为基础,提出了可望获得几十GHz甚至上百GHz的液晶电控双折射双频Nd:YAG激光器的总体方案,并对用双折射效应分裂F-P标准具透射谐振模进行了理论分析;设计并加工了一种集激光纵模选择、激光纵模分裂和F-P标准具谐振透射模分裂于一体的多功能元件——液晶电控双折射F-P标准具;建立了两种不同功率激光二极管端面泵浦的Nd:YAG激光实验系统,并对液晶盒的透射性质进行了测试;将未灌注液晶的空液晶F-P摘要标准具插入大功率LD泵浦Nd:、叭G激光谐振腔内,观察到了单纵模激光输出,说明所设计和加工的液晶F一P标准具具有纵模选择能力;将镀有增透膜的液晶盒插入大功率LD泵浦Nd八7AG激光谐振腔内,是否产生了激光纵模分裂现象还难以确定。

Within the complicated environment of contemporary society (or pre-modern, modern, postmodern in China), a "split" man (obviously with partly "split personality" and partly "split mentality"), or in my words, a "split city man", if Marcuse built up his theory of "one-dimensional man" in terms of social stratification, would become an offspring generated in the contemporary social environment with "its" reference to "everyone affected by modernization"(city man, country man unassimilated or assimilating in city and the "minority" being encroached by city culture).

当代社会(中国的前现代、现代、后现代)的复杂社会局面中,&分裂&的人,(当然,这种&分裂&一部分是&人格分裂&,另一部分是&精神分裂&。)如果说马尔库塞的&单向度&的人的提出是建立在一种社会阶层化概念上来说的,那我这里所言的&都市分裂人&则是在一个时下的当代社会背景下提出来的一种社会产物,而且&它&的指涉性指向&受现代化干扰的所有人&。(都市人、未完成都市化或正在都市化的乡村人及受到都市文化侵入的那些&少数人&。

Six conclusions have been drawn from the study:(1) WWF Yangtze Programme in Xipanshanzhou Polders has resulted in four outcomes, including more income, increased wellbeings, reduced vulnerability, more sustainable use of the natural resource base.

得出6个结论:①WWF在西畔山洲垸的替代生计示范项目增加了农户的收入和福利,降低了脆弱性,增强可持续利用的自然资源基础;②妇女、老人以及低收入群体从项目中获益;③参加项目的农户比未参加项目的农户拥有更多的收入和财产;④与2000年项目开始时相比,生计水平有了持续的改善;⑤生计改善的原因是当地社区的积极参与、国家政策机遇、伙伴关系的建立、社区基层组织建设以及适应性管理方法的应用;⑥鱼类和水鸟等返回已恢复的湿地。

Microscopic characteristics of cladded crystal fiber are analyzed by X-ray diffraction, Laue X-ray diffraction and scanning electron microscopy, it is found that magnesium-ion indiffusion does not affect the single crystal structure and the domain structure of the magnesium diffused crystal fiber. It is found for the first time that MgO-rich layer in the magnesium diffused LiNbO〓 surface layer exhibits the crystal structure of an unknown compound from the Li-Mg-Nb-O ternary system and MgNb〓O〓. It is proposed for the first time that this unknown compound and MgNb〓O〓 in MgO-rich layer are the real sources of magnesium-ion indiffusion LiNbO〓. Their appearance indicate that MgNb〓O〓 is in the surface layer of MgO-rich layer, the unknown compound is in the subsurface layer and beneath where the MgNb〓O〓 is located, and these compounds have obviously preferred orientation.

通过镁离子内扩散法,首次在国内实现了具有阶跃和抛物折射率分布的c轴LiNbO〓单晶光纤和a轴Nd:MgO:LiNbO〓单晶光纤的芯—包层波导结构,为我国在该项目的研究填补了空白;建立了晶纤损耗的测量系统,提出了利用单模石英光纤作为晶纤入射光耦合器的思想;通过对晶纤损耗的测量,得到了包层晶纤比未包层晶纤损耗降低约14倍的好结果,并实现了低次模传输:对经镁离子内扩散实现包层后的晶纤的微观特性,利用X射线衍射,劳厄照相和扫描电镜表征发现,晶纤并不因镁离子的内扩散而影响其单晶结构和镁的扩散层畴的变化。

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Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来,英国,在此地早期居住的是凯尔特人,已经被征服了三次。

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