因此，我们在设计防护林时，既要考虑疏透度，也要考虑林带结构，只有这样才能使防护林达到最佳防护效果。

Therefore in our future designing, we not only should consider its degree of lighting but also should consider its structure, only thus we can attain the best protection result.

youdao

因此，我们在设计防护林时，既要考虑疏透度，也要考虑林带结构，只有这样才能使防护林达到最佳防护效果。

Therefore in our future designing, we not only should consider its degree of lighting but also should consider its structure, only thus we can attain the best protection result.

youdao