Some scientists set up domes in the Polar Regions.A．YB．NC．NG

The Greenwich Mean Time was set up in 1884.A．YB．NC．NG

A research center has been set up in this

A research center has been set up in this

A research center has been set up in this

A research center has been【 set up 】in this unive

A research center has been 【set up】 in this count