Extreme care must be taken to the selection of the empiricalconstant.
必须特别注意这个经验常数的选择。
2
Extreme care must be taken to the selection of this empiricalconstant.
必须特别注意这一经验常数的选择。
3
Moreover, the relationship between dielectric constant and soil water content for two types of soil different from three empirical models due to organic matter or bulk density.