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The unique existence theorem for minimal determining set of completerational choice function is obtained,and the sufficient condition is used to show avery simple proof of Arrow Impossibility Theorem.

构造并证明了完全理性选择函数的最小决定集的存在惟一性定理，同时应用该定理的充分性条件给出了Arrow不可能性定理的一个简单证明。

Besides, after indicating the existing problem pertaining to current environmental impact pricing process, a methodology for resolving these problem is proposed proceeding from the"meta-synthesis"methodology of PEIA Further, by improving social selection theory and multiple criterion decision-making method and combining Arrow's axioms, a decision-making method dealing with intergeneration fair in PEIA towards sustainable development is put forward.

此外，通过改进社会选择理论和多标准决策方法，并结合爱罗原则(Arrow's axioms)体系，提出了一种处理政策EIA中代际公平问题的决策方法。

He laid the notch of the arrow on the oxhide bowstring, and drew both notch and string to his breast till the arrow-head was near the bow; then when the bow was arched into a half-circle he let fly, and the bow twanged, and the string sang as the arrow flew gladly on over the heads of the throng.

他运气开弓，紧捏着箭的糟口和牛筋做就的弓弦，弦线紧贴着胸口，铁的箭镞碰到了弓杆。他把兵器拉成了一个拱环，借大的弯弓鸣叫呻喊，弦线高歌作响，羽箭顶着锋快的头镞飞射出去，挟着暴怒，呼啸着扑向前面的人群。

Arrow has some of the largest coal-bed methane reserves located in Queensland's Bowen and Surat Basins.

Arrow拥有昆士兰Bowen与Surat盆地中最大的几个煤层气矿藏。

The button with the arrow pointing left promotes the list entry by one level (for example from Outline 3 to Outline 2), the right arrow button demotes the list entry by one level, the up and down arrow buttons move the list entry.

指向左的箭头按钮将列表项提升一级（例如从大纲3提升到大纲2），指向右的箭头按钮将列表项降低一个层次，向上和向下箭头按钮移动列表项。

NOTE: Missiles slowing to 0 may not damage anything, you should use a collision function like SFIA or Freezing Arrow to release something else that does damage.

注意：投射物速度为0将伤害不了任何东西，你必须使用碰撞函数象SFIA 或者Freezing Arrow释放出其他东西去造成伤害。

One Player Hit: space Left:arrow left Right:arrow right Jump: hold and release arrow up for more height Splits:arrow down Play vollyball,!

一名球员点击率：空间左：左箭头右：右箭头转到：保持和释放更多的箭头为高度分割：箭头向下播放排球，！

If the first character following the left bracket is the up arrow, the set is negated and the expression matches any character except those enclosed in the backets.

如果方括号内首字母是所谓的up arrow，整个集合就取括号内字符的补集。

Royal Dutch Shell, with its Australian partner Arrow Energy, has also taken an interest, but Shell has played down the prospect of a rapid development there.

荷兰皇家壳牌和其澳大利亚合作伙伴Arrow Energy也表示了兴趣，但壳牌已淡化了迅速在该地区进行开发的可能性。

Since buying 30 per cent of Arrow's domestic gas interests two years ago, it has made a series of senior management secondments.

自两年前购得Arrow在澳大利亚国内煤层气30%的权益后，壳牌已进行了一系列高管借调。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。