As a kind of special soil, aeolian sandy soil mainly lies in arid and semiarid areas where sand drift activity is very strong.
沙土是存在于干旱、半干旱地区的一种特殊性土,其岩土工程性质与风沙环境紧密相关。
2
Through the experiment with the circuits thermal drift, of TYZ-3 intelligent soil nutrition gauge, J-type field effect transistor(JFET) was found as the major cause of circuits thermal drift.
本文简要综述了国内外的电路温度补偿方法,对TYZ-3智能型土壤养分测试仪的温度漂移进行了试验研究。
3
The contents of soil microelement of each plot are low, which reason is the low contents of drift sand.