Yet as odd as MacDonald exchange was, barter is now big business on the Net.

After basic exchange came into existence, more complex forms developed beyond a basic barter economy, and new forms of risk manifested.

在最基本的交易出现之后，更为复杂的交易形式在物物交换经济的基础上产生，新的风险形式也应运而生。

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They even say that we might be happier in a barter economy.

他们甚至说道：人类在以物易物的经济时代可能会更开心。

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An Analysis on Service Behavior of Diaphragm Wall Reinforced with GFRP Bars

GFRP筋地下连续墙的工作性能分析

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Simulating Analysis for Forcing of Lined Wall and Anchorage Bars of Permanent Shipping Lock at the Three Gorges Project

三峡永久船闸衬砌墙结构及结构锚杆受力仿真分析

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A high wall bars the way into his garden. Before them a wide and rapid current coursed athwart their way.

一堵高墙挡住了去花园的路。在他们面前，一条宽而急的河流，挡住他们的去路。

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Restrained Torsional Vibrations of Open Thin wall Bars

开口薄壁杆的约束扭转振动

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The raw materials, matrix formulations and product properties were introduced for the pultrusiened FRP bars of asymmetric bars, and the technical parameters of the product determined.

介绍挤拉成型玻璃钢高低杠杠面所用原材料、基体配方及产品性能，确定了该产品的工艺参数。

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The FRP bars trial-produced have met the rigidity, fatigue and strength requirements stipulated by IGF for the bars of asymmetric bars.

已试制的FRP杠面满足了国际体操联合会对高低杠杠面规定的刚度、疲劳和强度要求。

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Tops of spacer bars shall be flush with the tops of the bearing bars.

定位钢筋的顶部应该与支撑梁的顶部齐平。

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The female gymnasts display their grace on the asymmetrical bars launching from one bar to another in a series of spins and twists followed by a dismount not unlike that from the men's high bar.

她们通过一连串的翻转和转体，从一根杠跃到另一根杠，最后下杠类似于男子单杠的下杠。

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Perform a perfect jump-off on the uneven bars A: There are four: floor exercise, vault, balance beam and asymmetrical bars.

从高低杠上做了一个绝妙的跳下动作有四项：自由体操、马、衡木和高低杠。

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There are four set exercises for floor exercises, vault, balance beam and asymmetrical bars.

女子规定动作有4项：自由体积，跳马，平衡木和高低杠。

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The satisfactory use of reinforced concrete as a composite material in structures depends mainly on the fine bond action between reinforcing bars and concrete.

钢筋混凝土作为一种复合材料，能成功地应用于结构首先取决于钢筋与混凝土具有良好的粘结。

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Basic Technique and Teaching Method of Giant Swing Backward-Hinge Action on Parallel Bars

双杠向后大回环转体类型动作的基本技术和教法

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A model for dowel action of reinforcement bars and its application to deep beam analysis

钢筋销栓模型及其在深梁分析中的应用

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View, folder, and design features, including the ability to create action bars, the ability to create navigators that allow easy graphical navigation among views, and improved table support

视图、文件夹和设计特性，能够创建动作栏、创建在视图之间通过图形进行导航的导航栏、改进的表支持

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We've added diagram palettes, action bars, custom property sheets, and new wizards that make it much easier to model and represent the Struts

我们已经添加了图调色板、操作栏、自定义属性表，以及新向导，该向导使得更易于在UML中建模和表示Struts

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Create split-action buttons for the action bars

为工具栏创建split-action按钮

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Action bars& Editors and Views may contribute Actions to toolbars, menus, and context menus.

操作栏。编辑器（Editor）和视图（View）可以为工具栏、菜单和上下文菜单提供操作（Action）。

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-quiet mode: suppress error messages, progress bars, and finish message.

-安静模式：取消错误信息、进程条及完成信息。

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