我们公司的烟感探测器，是公司经多年研究，反复试验后定型生产的一种专用工具。
Our company's haze meter, is the company through years of study and repeated tests of a specialized tool for shaping the production.
经多年研究，作者开发出一种新型内置式位移传感器，它可以用于各种涂层的液压缸。
After years research, the author developed a new model of built-in displacement sensor which can be used in hydraulic cylinders with various coating.
呈坎始建于东汉，距今已有1800多年历史。古村至今仍完整保存着许多古建筑群体，经专家研究，这些建筑及其布局吸收了《易经》元素。
With a history of more than 1800 years, the village preserves many ancient buildings, which experts pointed out had absorbed the soul of The Book of Changes.
经科研人员多年潜心研究，合力攻关，终于培育出“蠡州大鸭梨”这一鸭梨新品种。
"After years of painstaking research scientists work together to tackle key problems, and finally cultivated" calabash pear states, "This pear new varieties."
经多年的研究与实践，以就业为导向的双证书教育模式是目前高职教育较为合理的运行模式。
After many years research and practice, the employment-oriented double-certificate education pattern is a suitable operating one.
经多年使用和研究，对原机头、机尾及中间密封装置进行了设计改进。
Through many years of operation and research, the design of the sealing device of the head, discharge and middle position is improved.
我国一种新型天然吸附剂凹凸棒粘土（简称凹土），经多年开发研究，在食品、医药、饲料方面应用成功并得到推广。
A new natural adsorbent, attapulgite clay has been spread successfully in food, medicine and feed through study of several years.
惯性圆锥破碎机是前苏联经40多年努力研究成功的新型高效细碎设备。
Inertia cone crusher is a new type high efficient equipment for fine crushing which is developed by the former Soviet union through over 40 years' effort.
茶树原产地，经我国茶叶工作者多年的调查研究，已经充分证实是在我国。
Though years of inspection and investigation by the Chinese tea specialists it has already been fully proved that the origin of tea plant is in China.
茶树原产地，经我国茶叶工作者多年的调查研究，已经充分证实是在我国。
Though years of inspection and investigation by the Chinese tea specialists it has already been fully proved that the origin of tea plant is in China.
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