Today is a world of economic Exchange rate as the price system an important component part of the impact of a country and the development of foreign trade in one of the important According to traditional economic theory， the price system as an important component of the exchange rate， which changes affect a country's balance of trade; under certain conditions， the devaluation of their products can improve international competitiveness， thus helping expand exports and improve trade balance of So for a long time， all countries are spared no effort in the pursuit of even the balance of international payments surplus， resulting in between in contention for the world market share and continued trade
Torricelli Daerbute fault zone north of Xinjiang formation predecessors established the Lower Carboniferous package Couto Group and the Commission on the Carboniferous too Le Dracula group， with the attribution of North Junggar formation formation of the district Mayi formation The profiles measured by sedimentary rock， based on formation， rock characteristics， in the region compared to their predecessors here that the formation of the order is Ancient map packets identified in the group was placed under the Lower C Bao ancient group plans for a major deep-sea - half of the deep gray and gray-black TLC tuffaceous siltstone， shale tuffaceous， with gray green， with thin gray-tuff interbedded Lithologic main debris containing fine sand silt， tuffaceous sandstone， with silt， mud cherts， cherts， such as Shen The overall environment is relatively calm and stable， for deep-sea - a half deep-sea Le Dracula is the main group for the ash， glaucum， purplish red basalt and andesite， fine-grained tuff， crystal-tuff debris， ash-tuff， tuffaceous siltstone， tuffaceous silty mudstone uneven beds， rocks folder jasper ， Ansan porphyrite and long-sandstone and Analysis should be the reinstatement of the environment， there are intermittent eruption of deep-sea sediment Key words: Pack ancient map; too Le Dracula groups: sedimentary environment; Xinjiang Torricelli; Daerbute fault
