proterra's electric bus is an example of a technological innovation.

fault diagnosis expert system of electric bus based on fault tree

基于故障树的电动公交车故障诊断专家系统

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the operation and technology to improve the economy of electric bus

提高电动公交车经济性的营运方式与技术方案

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the innovation of this research is that these control strategies do effectively improve the quality of amt transmission shift, thus facilitating the development of pure electric bus shift with a much smoother and rapid effect.

本文的创新点在于所研究的控制策略提高了AMT传动系统的换挡品质，使得所开发的纯电动公交车换挡达到可靠、平顺及快速的效果。

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this paper analyzes the request for the theories of ergonomics and the idea of humanistic design in the design of large-scale roller tractor and the relations among person, machine and environment of its cab.

本文分析了大型轮式拖拉机设计中对人机工程学理论与人性化设计理念的诉求以及大型轮式拖拉机驾驶室人机环境之间的相互关系。

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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.

论述了多普勒车速雷达监视仪的工作原理及主要功能，并介绍了多普勒车速雷达监视仪在大型轮式拖拉机应用的情况，以及使用中应注意的问题。

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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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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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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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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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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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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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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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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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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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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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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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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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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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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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