共 38 条
[2]
[Anonymous], 2001, IEEE T ULTRASON FERR
[3]
[Anonymous], 2015, TRANSF OUT WORLD 203
[4]
[Anonymous], EN ACC OUTL 2017
[5]
Baotian P., 1996, J LANZHOU U, V32, P108
[7]
Chambers R., 1991, IDS Discussion Paper, V296, P1
[9]
Deutsche Gesellschaft fur Internationale Zusammenarbeit (GIZ) GmbH, POV OR BAS EN SERV H