More coar will cover you against making so many mistakes .
多加注意就会保证你不致于犯这样多的错误。
The S-avaiable K and Available Cu were fitting by lineal model . ( 4 ) In Macroscale , sand , clay distributed as blocks , and the Med . and fine silt and Coar .
缓效钾、有效铜用线性模型拟合。（4）大尺度砂粒、粘粒成块状，中/细粉粒、粗粉粒成条带状分布，中坡位pH较高。
coar