免耕的主要缺点是更为大量野草生长与更多依赖与农业化学品，因为不用机械方式除草，而用除草剂化学方法除草。
The major drawback of no-till is more abundant weed growth and increased reliance on agrochemicals, since weeding is not done mechanically, but chemically, with herbicides.
联合收割机是结构复杂、科技含量较高的农业机械，其维护保养与保管尤为重要。
Combine harvester is a complex agricultural machinery with high-tech, its maintenance and custody is particularly important.
农业工程师负责执行并监督与农业用地、建筑、机械设备利用开发相关的工程工作。可能要求注册或许可。
Performs and supervises engineering work related to the use and development of agricultural land, buildings, machines and equipment. Registration or licensing may be required.
用动力分析与动态设计方法，研究了农业机械的弯曲振动问题。
The technology of the dynamic analysis and design is led into the field of flexural vibration of farm machines.
农业排灌机械动力和粮食收购价格指数与粮食生产呈负相关。
Farm irrigation and drainage mechanical power and grain purchasing price index have negative correlation to grain production.
农业机械制造技术与一般机械制造技术相比，具有特殊性。
The farm machinery manufacturing technique compare with general machinery manufacturing technique, has special.
并对当前能量分析中困难较大的各类农业机械耗能、田间农事作业及灌溉耗能等折算问题作了重点分析、介绍与探讨。
More attention were given to the trouble-some problems in calculating energy cost by machinery, field operation and irrigation with appropriate analysis, information and discussion.
本实用新型属于农业机械领域，涉及一种与小四轮拖拉机配套使用的深施肥机。
The utility model belongs to the field of agricultural machines. The utility model relates to a deep fertilizer spraying machine matched with a small four-wheel tractor.
农业机械化水平与贡献率是评价农业机械化在农业生产中地位和作用的两个关键性的定量指标。
Agricultural mechanization level and contributive ratio are both key ration indexes to appraise the agricultural mechanization's status and function in the agriculture production.
本发明属于农业机械技术领域，特别涉及一种与拖拉机配套作用的原地放垡振动松土机。
The invention belongs to the technical field of agricultural machines, in particular to a soil-dropping vibrating ripper in situ which is used by matching a tractor.
根据其杂草分布特点，采取农业、物理机械及化学防治措施，能有效控制草害发生与危害。
According to the character of weeds' distribution, adopting agricultural, physical and chemical control may effectively control the occurrence and damage of weeds.
自由式磨料磨损现象在农业机械、工程机械、煤炭机械、建筑机械等工程领域中广泛存在，是导致这些机械与自由式磨料接触的工作部件的主要失效形式之一。
The phenomena of free abrasive wear widely occur in the working components of agricultural machines, earthmoving machines, coal-mining machines, construction machines and others.
加入WTO对于我国农业及其生产力水平重要标志的农业机械化来说，是风险与利益并存、挑战与机遇同在。
Entry WTO has being brought venture and benefit, challenge and opportunity to the agricultural mechanization of our country.
论证了搞农业机械化必须兼顾社会效益与经济效益。
It has been proved that the improvement of farm mechanization must look after both social and economic, efficiency.
农业工程师负责执行并监督与农业用地、建筑、机械设备利用开发相关的工程工作。
Performs and supervises engineering work related to the use and development of agricultural land, buildings, machines and equipment.
并对当前能量分析中困难较大的各类农业机械耗能、田间农事作业及灌溉耗能等折算问题作了重点分析、介绍与探讨。
More attention were given to the trouble-some problems in calculating energy cost by machinery, field operation and irrigation with appropriate analysis, information and...
从销售出版物和亚太农业工程与机械中心提供的服务中收到的资金；
Money received from the sale of publications and services furnished by UNAPCAEM;
农业机械化程度与耕地、灌丛的分布呈负相关。
Mechanization is negative to farm land ratio and that of shrub land ratio.
农业机械化程度与耕地、灌丛的分布呈负相关。
Mechanization is negative to farm land ratio and that of shrub land ratio.
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