A site substitution and A, B site cosubstitution can improve the properties of the ceramics, but only B site substitution can not.

指出A位替代和A、B位共同替代能有效改善陶瓷的性能，单纯B位替代不利于陶瓷性能的改善。

youdao

This paper, taking Chinese Fir & Masson's pine as examples (objects), studied the site quality evaluation by the substitution of tree species in the same site types.

我们以杉木和马尾松为对象，研究了在相同立地类型中的树种代换评价方法。

youdao

This paper, taking Chinese Fir & Masson's pine as examples (objects), studied the site quality evaluation by the substitution of tree species in the same site types.

我们以杉木和马尾松为对象，研究了在相同立地类型中的树种代换评价方法。

youdao