the principles and main functions of doppler radar speed monitor and its application on large wheeled tractors are presented. some issues in the application of the monitor have been summarized.

1、

this thesis provides theory references, design references and data references for the humanistic design of domestic large-scale roller tractor based on ergonomics.

本课题的研究为基于人机工程学的国产大型轮式拖拉机的人性化设计提供了理论参考、设计参考和数据参考。

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2、

he cultivated the field with a large tractor.

他使用一台大型的拖拉机耕地。

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3、

study on the microcontroller monitor system of large wheel type tractors

大型轮式拖拉机单片计算机监视系统设计研究

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4、

design of large tractor automatic guidance system base on gps/ gis

基于GPS／GIS的大型农用拖拉机自动导航系统设计

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5、

the paper introduced the main functional design of a kind of greater tractor towing ultra small-sized sprayer and structure and working principle.

论述了一种大型拖拉机牵引式超低量弥雾机的主要性能设计，并介绍其结构和工作原理。

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6、

an investigation on stirling engine of type 2105 the design of greater tractor towing ultra small-sized sprayer

2105热气机的研究大型拖拉机牵引式超低量弥雾机的设计

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7、

on humanized esthetics elements in design of large tractor

大型拖拉机设计中的人性化美学要素研究

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8、

planting corn with big tractor at the stock mulch condition, the storage ability of soil moisture was higher than that of hand tractor. the yield increased to 9.1% with big tractor and 5.1% with hand tractor.

大型拖拉机播种玉米比小型拖拉机播种玉米对土壤水分的蓄储能力强，采用小型拖拉机播种的玉米产量增加了5.1%，采用大型拖拉机播种的玉米产量增加了9.1%。

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9、

in this paper, we mainly analyze the gas-field water, including the source, the idiosyncrasy and the influence to the entironment and the production of natural gas; and introduce several typical treatment technologies.

本文分析了气田水来源，特征以及气田水对自然环境和天然气生产的影响，例举了几种典型的气田水处理工艺。

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10、

compared with natural rosin air retraining agent, synthesized air entraining agent can form better pore structure.

在自密实混凝土中，相比传统的自然松香型引气剂，使用合成型的引气剂能形成更好的气孔结构。

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11、

the application of spherical potential ( sp) in the oil-gas exploration and its regenerative anomaly analysis

自然电位在油气勘探中的应用及其新生异常分析

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12、

the suction air cushion technique for ship's resistance

论船舶自然导风垫气降阻技术

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database design of agrometeorology and ecology monitoring in the natural reserve

自然保护区农气及生态监测资料数据库设计

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14、

but once i realised the problem was not you, but within me, i found inner peace and was able to harness the flow of the universe.

但是当我意识到问题不在于你，而在于我时，我达到了心气平和也能够控制那股自然之气。

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15、

simulation of air concentration distribution in the developing region of self-aerated flows

陡槽自然掺气发展区含气浓度分布计算

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16、

the method which is not only fit for evaluation of gas solubility but also plays an important role in evaluating conventional gas reservoir in xujiahe formation in west sichuan area isn't found.

该方法的建立不仅对水溶性等非常规自然气的评价具有重要的理论意义，而且对于常规油气的评价也具有重要作用。

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17、

executives at general motors in india were enthusiastic when they recently revealed a new version of the compact spark chevrolet, which runs on liquefied natural gas.

最近，通用汽车在印度的主管们对新推出的一款小型雪佛兰乐驰充溢亲昵。这款汽车以液化自然气为动力。

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18、

fujian province has a shortage in conventional energy, such as coal, oil and natural gas, while the wind resources rank first in the country.

福建省煤、石油、自然气等常规能源匮乏，而风能资源排名全国第一。

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19、

preliminary study on effects of environmental factors on respiratory rates of agaricus bisporus in modified atmosphere packaging

环境因素对自然气调下双孢蘑菇呼吸速率影响的初步研究

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20、

research on the design of modified atmosphere packaging

自然气调包装设计探讨

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