Jiang Xichun (lecturer at Heihe University, city Heihe, China )
Yao Yan (professor at Heihe University, city Heihe, China )
Shen Qi (lecturer at Heihe University, city Heihe, China )
|
|||||
|
Jiang Xichun (lecturer at Heihe University, city Heihe, China )
Yao Yan (professor at Heihe University, city Heihe, China )
Shen Qi (lecturer at Heihe University, city Heihe, China )
|
|||||
|
![]() Reproduction of materials is permitted only for non-commercial purposes with reference to the original publication. Protected by the laws of the Russian Federation. Any violations of the law are prosecuted. © ООО "Научные технологии" |