Research methods are: (1) Literature Review act (2) the actual survey method (3) summarized method.

研究的方法为：(1)文献综述法(2)实际调查法(3)总结归纳法。

youdao

Research methods are: (1) Literature Review act (2) the actual survey method (3) summarized method.

研究的方法为：(1)文献综述法(2)实际调查法(3)总结归纳法。

youdao