查询词典 frontier

Then it puts forward sub-regional-economic cooperation as the best choice for Yunnan and its neighboring countries to have economic and trade cooperation. In the practical study of developing Yunnan"s frontier trade, this essay analyzes to the full the current situation and existing problems of developing Yunnan frontier trade, combining with China"s accession to WTO, exploration of the west regions and the founding of the ASEAN. Frontier trade plays an important role in the nation"s and Yunnan province"s social economic life. It has great influence on the nation"s safety. Frontier trade is centered on the low-cost consumable supplies and consignation trade. Its prosperity for a long time relies on the inland, which constitutes three remarkable characteristics of Yunnan"s frontier trade.

在开展云南省边境贸易的实践研究中，本文从六个方面较为全面地分析了云南省边境贸易发展的现状、存在的问题，指出：边境贸易在全国和全省社会经济生活中占有重要地位，对国家安全影响深远；边境贸易以低附加值商品和易货贸易为主；边境贸易市场的繁荣长期依赖内地，是云南省边境贸易最显著的三个特点，结合中国加入WTO、西部大开发、大东盟的成立等，对云南边境贸易在新时期的发展方向作了一些初浅的探讨。

Properties of efficient portfolios and the efficient frontier to the model are systematically analyzed. Our main results concerning the properties are: every efficient portfolio can be solved by minimizing portfolio risk under a given level of portfolio return or by maximizing portfolio return under a given level of portfolio risk; on the efficient frontier, the risk is a convex and strictly increasing function of the return and the return is a concave and strictly increasing function of the risk; the utility function on the efficient frontier can be expressed as a quasi-concave function of the risk or the return if the investor's utility function is quasi-concave.

从理论上系统地对该模型下的有效投资组合和有效前沿的性质进行了分析，结果表明：每一个有效投资组合可通过在给定期望收益水平的条件下最小化投资组合风险来获得，或者在给定风险水平的条件下最大化期望投资组合收益来获得；在有效前沿上，风险是收益的严格单调递增凸函数，收益是风险的严格单调递增凹函数；当投资者的效用函数是拟凹函数时，则有效前沿上的效用可表达成风险或收益的拟凹函数。

This text introduced Guangxi in more frontier trade development of the history and present condition, concretely analyzed frontier in Guangxi to trade the advantages such as policy and niche etc.s of the quick development, point out the frontier trade a development in the process exist of problem, and put forward correspond of resolve the measure and the development foreground of side 贸 in Guangxi.

本文介绍了广西中越边境贸易发展的历史和现状，具体分析了广西边境贸易迅速发展的政策和区位等优势，指出了边境贸易发展过程中存在的问题，并提出了相应的解决措施以及广西边贸的发展前景。

Location of the inland frontier regions have greater uncertainty and imperfectibility at politics and economy than other regions,therefore the border " shielding effect " makes the actual advantage of location of the inland frontier regions uncertain,especially the relative advantage may change in the future,cause the transaction costs of the inland frontier regions to be redounded .

内陆边境地区在政治和经济上存在较大的不确定性以及信息上的不对称性和不完善性，由此产生的边界"屏蔽效应"使得内陆边境地区的区位实际优势不确定、特别是相对优势在未来可能发生变化，导致内陆边境地区的交易成本被抬高。

Gao Shi and cen Sen were the most outstanding representatives of "the frontier poem faction".with a kind of fresh and lively life content and vivid art style,they described a grand frontier scene and the arduous army life ,overflowing the matchless pillion to the grand rivers and mountains in our mmotherland,and arousing people's passion and yeam to the frontier.

摘 要：高適、岑参是"边塞诗派"最杰出的代表，他们以一种鲜活的人生内容和靓丽的艺术风格，描写了雄奇的边塞风光、火热艰辛的军旅生活，洋溢着对祖国大好河山无比热爱的真挚情感，激起人们对祖国边疆的热爱和向往。

After the winding up of the 10-year long first-phase of the nation-wide land frontier defense infrastructure construction, the overall capability of patrolling roads and frontier wire entanglement have been extended to 20,000 kilometers, and the fast response and emergency handling capabilities of the frontier defense troops have been improved greatly.

历时10年的第一步大规模陆地边防基础设施建设完成后，边防巡逻路、边境铁丝网等基础设施建设达到2万公里，边防部队快速反应和处置突发事件能力明显提高。

Location of the inland frontier regions have greater uncertainty and imperfectibility at politics and economy than other regions,therefore the border " shielding effect " makes the actual advantage of location of the inland frontier regions uncertain,especially the relative advantage may change in the future,cause the transaction costs of the inland frontier regions to be redounded .

内陆边境地区在政治和经济上存在较大的不确定性以及信息上的不对称性和不完善性，由此产生的边界&屏蔽效应&使得内陆边境地区的区位实际优势不确定、特别是相对优势在未来可能发生变化，导致内陆边境地区的交易成本被抬高。

The frontier forteress that we discuss should be the frontier fortress of ancien t unitary state,that is,the area which formed along the Great Wall.

我们所说的边塞应该是指古代中央政权统一时候的边塞，即主要指沿着长城的走向所形成的地域。

He thought of that heroic Colonel Pontmercy, who had been so proud a soldier, who had guarded the frontier of France under the Republic, and had touched the frontier of Asia under Napoleon, who had beheld Genoa, Alexandria, Milan, Turin, Madrid, Vienna, Dresden, Berlin, Moscow, who had left on all the victorious battle-fields of Europe drops of that same blood, which he, Marius, had in his veins, who had grown gray before his time in discipline and command, who had lived with his sword-belt buckled, his epaulets falling on his breast, his cockade blackened with powder, his brow furrowed with his helmet, in barracks, in camp, in the bivouac, in ambulances, and who, at the expiration of twenty years, had returned from the great wars with a scarred cheek, a smiling countenance, tranquil, admirable, pure as a child, having done everything for France and nothing against her.

他想到那英勇的彭眉胥上校是个多么杰出的军人，他在共和时期捍卫了法国的国境，在皇帝的率领下到过亚洲的边界，他见过热那亚、亚历山大、米兰、都灵、马德里、维也纳、德累斯顿、柏林、莫斯科，他在欧洲每一个战果辉煌的战场上都洒过他的鲜血，也就是在马吕斯血管里流着的血，他一生维护军纪，指挥作战，未到老年便已头发斑白，他腰扣武装带，肩章穗子飘落到胸前，硝烟熏黑了帽徽，额头给铁盔压出了皱纹，生活在板棚、营地、帐幕、战地医疗站里，东征西讨二十年，回到家乡脸上挂一条大伤疤，笑容满面，平易安详，人人敬佩，为人淳朴如儿童，他向法兰西献出了一切，丝毫没有辜负祖国的地方。

Thereby, it generalizes portfolio frontier curve from hyperbola to hyperboloid of two sheets. When there exists risk securities, it generalizes frontier from straight line to cone. Meanwhile it gives some corresponding conclusions.

从而把原模型中没有无风险证券时的前沿证券曲线从双曲线推广到双叶双曲面，把有无风险证券时的前沿证券曲线从直线推广到圆锥面，同时还得到了一系列相应结论。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了