| 1. | The monitoring station set up three atmospheric sampling sub - stations , three river water monitoring sub - stations and 27 traffic noise monitoring sub - stations in downtown lhasa and the upper , middle and lower reaches of the lhasa river
监测站在拉萨城区及拉萨河的上、中、下游设立了3个大气采样点、 3个河水监测点和27个交通噪声监测点。 |
