Influence of soil texture, tillage practices and stubble on water storage content before wheat sowing was studied by using the method of contrast in Linfen and Xiangfen, Shanxi province.
在山西临汾、襄汾采用大区对比法研究了土壤质地、耕作方式及茬口对小麦播前土壤贮水量的影响。
Using sliding mode variable-structure control method to design controller, carry on stimulating and make contrast with the traditional PID in order to justify its superiority in stabilized effects.
利用滑模变结构控制方法设计控制器、进行仿真，并与传统的PID控制进行仿真对比，以验证其在减摇效果上的优越性。
This paper presents a method of signal analysis and data processing using a single chip microcomputer in the contrast method of water meter calibration facility.
本文提出了在比较法水表校验装置上采用单片微机进行信号分析和数据处理的方法。
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