taking Karst Mountainous Areas as an example 青贮饲料利用及研究进展：以喀斯特山区为例：taking Karst Mountainous Areas as an example taking Baotou city as an example taking university counselors as an example taking investment-linked insurance as an example taking Chai Zushun's artistic creation as an example taking Henan Province as an example taking Hunan Province as an example taking Taylor rule as an example taking Xining City as an example