Therefore, the WKB method is useful in the non - even wave guide.

因此，可以把WKB方法直接用到非均匀波导中。

youdao

Thought the WKB method is one effective method.

认为WKB法是一种行之有效的方法。

youdao

Thought the WKB method is one effective method.

认为WKB法是一种行之有效的方法。

youdao