| 1-8 |
|
| Yiyang Qin, Yanan Qi DOI: 10.29500/FSD.202104_1(1).0001 |
|
| Research on the Basic Theory and Connotation Definition of Green
Economic Efficiency |
9-14 |
| Yangjun Ren DOI: 10.29500/FSD.202104_1(1).0002 |
|
| Design of Sickroom Wireless Call System |
15-22 |
| Yali He, Nannan Zhang, Juanjuan Xie, Liye Yin, Kuang Wu DOI: 10.29500/FSD.202104_1(1).0003 |
|
| Impact Factors Concerning Price Fluctuations of Fruits and
Countermeasures |
23-25 |
| Ke Sun DOI: 10.29500/FSD.202104_1(1).0004 |
