The research attempted to solve some theoretical and application-related problems in precise control of soil moisture.
本研究试图解决应用精确控制土壤含水量相关的一些理论和应用基础问题。
To ensure subgrade compaction, we must resolve the choice of subgrade soil, moisture control, shop soil thickness control and detection of degree of compaction work.
要保证路基的压实度，必须解决好路基土壤的选择、含水量的控制、铺土厚度的控制和压实度的检测等工作。
The automatic control system, which is composed of alarm system, switching soil moisture sensor and switching temperature sensor, makes joint control with the manual control system.
手动控制系统和由报警系统、开关式土壤水分传感器、开关式温度传感器构成的自动控制系统共同参与控制； 并且可以提供故障报警信号。
Pipe drainage system has big control of excluding agricultural groundwater and soil moisture and raise the utilization of land area.
暗管排水可以很好的控制排除农田地下水和土壤含水量，提高土地利用率。
The potted experiment was conducted to study the influence of soil moisture on control efficacy to barnyard grass and sensitivity to corn of quinclorac.
通过盆栽试验，研究了土壤湿度对二氯喹啉酸药效及安全性的影响。
The potted experiment was conducted to study the influence of soil moisture on control efficacy to barnyard grass and sensitivity to corn of quinclorac.
通过盆栽试验，研究了土壤湿度对二氯喹啉酸药效及安全性的影响。
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