Other exploration blocks overlap reserves for indigenous groups, including some that have no contact with the outside world.
其他一些勘探地块与土著部落保留地相互重叠，包括一些与外部世界从无接触的部落。
2
Compared to bevel gear, hypoid gear has larger overlap coefficient, lower gear contact stress, more smooth transmission, lower impact and noise, higher load bearing capacity, longer life and so on.