After centuries, the bill of lading have promoted the development of international trade, and made it from barter transactions to document transaction.

It plays an important role in the process of international trade from barter to documentary transaction.

它在国际货物买卖、结算、运输等环节发挥着举足轻重的作。国际贸易从早期的实物交易发展到单证交易的过程中，提单功不可没。

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Therefore create an on-line barter trade transaction system have a very vital practical significance.

因此实现易货贸易的网上交易模式具有非常重要的现实意义。

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Where the parties agree on a barter transaction involving transfer of title to the subject matters, such transaction shall be governed by reference to the relevant provisions governing sales contracts.

第一百七十五条当事人约定易货交易，转移标的物的所有权的，参照买卖合同的有关规定。

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Barter transaction system safety research based on BPEL

基于BPEL的易货交易系统安全性研究

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

然而，奇怪了麦克唐纳的交换，以物易物现在大企业上了网。

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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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