The older strata gradually disintegrate.较老的岩层渐渐风化.Contained within the rock strata is evidence that the region was intensely dry 15,000 years ago.岩层中有证据表明，该地区在15,000年前曾经非常干旱。We can follow the history of life through the ...
Toshiba Offers One - Device Unified Communications Solution to Strata CIX Customers.东芝为StrataCIX用户带来一站式统一通信解决方案.A weathering - denuding surface separates the lacustrine strata and layer of the loess in the Tuoketuo mesa....