帮忙全面分析一下这两句英语的成分和结构

帮忙全面分析一下这两句英语的成分和结构
1.Although television relays are often placed on hills and mounains so that they can cover more land than one one could see from the same hilltop on a clear day.
我认为这句话缺少主句,因为so that 引导目的状语从句,
2.The logic of scientific development is such that separate groups of men working on the same problem in far-scattered laboratories are likely to arrive at the same answer at the same time.
这句话的such是做什么的?
请英语高人全面分析一下,