frontier ['frʌntjə]

frontier的基本解释

n.

边境, 边界, 国境

• The frontiers of medical knowledge are being pushed farther outwards as time goes on.
• 医学知识的新领域正随着时间向前推进。

• Everything is quiet on the frontier.
• 边境上一切安静。

• Professor Field is devoted to the exploration of the frontiers of medicine.
• 菲尔德教授致力于探索医学研究的新领域。

相似词

Frontier

frontier的同义词

n. outskirts · border

与frontier相关的网络例句 [注：此内容来源于网络，仅供参考]

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。

与frontier相关的网络解释 [注：此内容来源于网络，仅供参考]

frontier：边界

英语"边界"(frontier)源于法语frontiere,该词原系形容词,意为"面对面". 这一原始含义再微妙不过地解释了一个我们现在所能理解的边界:对峙、紧张、没有宽度. 这个词据考证至迟在14世纪已出现,那正是法国对外战争频繁的时期. 在欧洲古代,

frontier：边境

这种0.44英寸双动"边境"(frontier)转轮手枪是史密斯-韦森公司生产的最后一支大口径转轮折转式转轮手枪. 为了使史密斯-韦森No.3转轮手枪具有现代感,1900年推出改型枪,设置了双动扳机系统,命名为0.44英寸双动"边境"转轮手枪. 推出之时,

frontier：边缘

"摩根史丹利全球指数"主要是美国方面的资金作为投资的参考,"富时指数"则是欧洲资金的投资凭据. FTSE将世界股市分为发达国家(Developed)、先进新兴(Advanced Emerging)、次级新兴(Secondary Emerging)和边缘(Frontier)等4大市场.

frontier：边疆

这是基于这样一种认识:"边疆"(frontier)主要是一个地理(包括自然地理、经济地理和人文地理)概念;而"西进运动"(Westward Movement)作为一个大规模的人口迁徙运动,既涉及到西部也涉及到东部、既涉及到地理也涉及到人文、既涉及到经济也涉及到政治,

Frontier point：界限点

Frequency polygon, 频数多边图 | Frontier point, 界限点 | Function relationship, 泛函关系