Over a single year, lighting facilities in the community were upgraded, and environmental standards for the dark sky community were formulated.

在一年内，社区的照明设施得到了升级，并制定了暗空社区的环境标准。

It seems perhaps an exaggeration to say that the enterprises which have resulted in equipping our American cities and suburbs with trolley lines and electric lighting facilities have followed the plan of campaign sketched above.

说为我们的美国城市和郊区配备电车线路和电力照明设施的企业遵循了上面勾勒的活动计划，这似乎有点夸张。