improvement on design and technique of crawler bulldozer moving system

research on the object oriented design method for crawler bulldozer blade

履带式推土机推土装置&面向对象设计的研究

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transmission system heat equilibrium analysis for big power crawler bulldozer

对大功率履带式推土机传动系统的热平衡分析

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the paper analyses the structural loads of working device for dfh-70t crawler bulldozer.

叙述了用现场动态测试手段测量东方红70T履带推土机作业外载荷的方法。

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a manual isolator shall be set between the cathode and the negative busbar.

负极与负母线间设手动隔离开关。

provided by jukuu

on regions with the affine stretchings being extremal mapping

仿射拉伸为极值映射的区域刻划

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the mapping between input and output sets can be proved to be bijective with the set theory. then, the affine mapping theory is applied to modeling a class of hysteresis, which is stimulated by smooth periodic signals.

利用集合理论证明了变换后，迟滞的输入输出集合是双射的，从而对在光滑周期信号作用下的一类迟滞非线性进行建模。

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an affine mapping b-spline method of deformation for planar parametric curves

平面参数曲线变形的仿射映射B样条方法

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in the primary theorems about common fixed points and the best approximation on the weakly compact set, it was assumed that the affine mapping i was strongly ( or weakly) continuous when t was i-nonexpansive.

在已有的弱紧集上的公共不动点与最佳逼近定理中，当T是I非扩张时，一般都假设仿射映射I是强（或弱）连续的。

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in order to study groundwater contamination for leachate of waste rock hill under complex circumstance, multifractal theory is used to predict condition of groundwater contamination, and multifractal model is built via an affine mapping.

为了研究复杂环境下矸石山渗滤液对地下水的污染，将多维分形理论应用于地下水污染状况的预测，借助于仿射映射，构建了地下水污染的多维分形模型。

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it can be known from the results of accelerate ageing that accelerated ageing in an ageing oven can change both the physical and chemical structure of plastics, and decrease the mechanical properties of specimens much.

加速老化实验结果表明：老化箱中的加速老化既可改变试样分子的物理结构又可改变其化学结构，从而改变粘数值；

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at the time of bost's death, tuppence bought nearly half a sheep, and it was an eton tradition, dating back to the reign of henry vi, that collegers were to be fed no meat except mutton.

在博斯特去世的那个时代，两便士几乎可以买到半头羊。在伊顿公学有一个传统可以追溯到亨利六世朝代，那就是住校生除了羊肉不供给其他的肉食。

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my best wishes to you all, and i hope that you will enjoy meeting tommy and tuppence again, years older, but with spirit unquenched!

在此我向大家致意，并且希望你们会喜欢年纪虽长、活力依然旺盛的汤米和塔珀丝！

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i wouldn't give tuppence for their chances of winning the match.

我不相信他们有赢得比赛的机会。

provided by jukuu

you can't buy much for tuppence.

两便士你买不到多少东西。

provided by jukuu

atuleer, home to people from the yi ethnic group in the southwest of sichuan province, has no road connection and the residents depend on subsistence farming of potatoes, walnuts and chili peppers.

阿土勒尔村是四川西南部的彝族人聚居的地方，那里与外界没有道路连接，当地居民依靠种植土豆、核桃和辣椒为生。

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the type of agriculture practiced in guinea mainly being subsistence farming, the cultivated areas are generally low ( 0.30 to 0.50 ha). in these conditions, yields and sales capacity cannot be high.

几内亚实行的农业主要为温饱型农业，生产产区一般较低（0.30到0.50公顷），在这种情况下，产量和销售能力不是很高。

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rich economies are far less dependent on agriculture-and not at all on subsistence farming-and are also better able to deal with malaria.

富裕经济体对农业的依赖度要低得多（而且根本不依靠生存农业），也更有能力应对疟疾。

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millions of people are moving from subsistence farming to urban manufacturing, resulting in a massive boost to output.

数百万人正从仅够维持生存的农业转向城市制造业，对经济产出构成了巨大的推动力。

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agriculture consists largely of subsistence farming and animal husbandry.

在农业中占很大部分的是种植业和畜牧业。

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the researchers think that this occurred about a century ago, just when commercial agriculture was replacing subsistence farming and maize started to overshadow indigenous crops in africa.

这组科学家认为这发生在大约一个世纪之前，就在商业农业取代生存农业、而玉米开始取代非洲本土作物的时候。

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