1.
The cropping pattern should be adjusted, so as to give a higher yield and maintain land productivity.
进行合理轮作，不但能获得高产，而且可保持土壤生产力。
2.
Integrated Plant Nutrient Management for Rice-Upland Crop Rotation System;
水旱轮作系统养分资源综合管理研究
3.
Discussions on Project Management of 600 MW Turbines of Dongfang-Hitachi Type;
东方—日立合作型600MW汽轮机项目管理
4.
Reasonable Design on Working Linkage of ZL50C-Ⅱ Tall Uninstall Wheel Loader
ZL50C-Ⅱ轮式装载机高卸载工作装置的合理设计
5.
Study on Assignment of Phosphate and Potassium Fertilizer in Cotton-Canola Rotation System
棉花-油菜轮作制中磷·钾肥合理分配研究
6.
The act or technique of providing with gears.
齿轮连接，啮合配备齿轮的动作或技巧
7.
An Experimental Study of the Functional Mechanism and Performance of the Combined Studded Feed Roller Seed Metering Device;
钉轮组合式排种器的工作机理和排种性能的试验研究
8.
Theoretical Study on Combined Effect of the Teeth Meshing Transmission Gear for Tractor
拖拉机变速齿轮啮合轮齿综合效应理论研究
9.
Prospect of cooperation among liners in post-liner conference;
后班轮公会时代班轮公司之间合作问题前瞻
10.
Research on China s New Cooperation Strategy with the World Food Program;
中国与联合国WFP新一轮合作战略研究
11.
Based on gear engagement theory, the exact model of gear teeth is produced.
根据齿轮啮合原理,建立了轮齿的精确齿形。
12.
The chairman on duty of the UN Security Council changes every month.
每个月，联合国安理会轮值主席都要轮换。
13.
The Design Principle of Moving Back and Forth Intermittent Mechanism With Geneva Wheel and Gear Composed
槽轮-齿轮组合往复式间歇运动机构的设计原理
14.
The principle of gear pump without mesh-force and gear parametric design
无啮合力齿轮泵原理及其齿轮参数化设计
15.
rationalization of operatio
操作合理化 操作合理化
16.
Again, Rotary has won with cooperation.
相反的，扶轮再度透过合作而获益。
17.
Basic Meshing Principle of Double arc Gear with Circular Arc Trace
圆弧齿线双圆弧齿轮的基本啮合原理
18.
The fair use for trackless underground coal vehicle
煤矿井下无轨胶轮运煤车的合理使用