established

• The exact mechanism of dealkylation has not been established .
  脱烃作用的确切机制还没有确定。
• Eventually many banks decide to establish foreign branches .
  后来，许多银行决定建立国外分行。
• The yuan dynasty established its capital in dadu , now beijing .
  元代建都于大都，即今之北京。
• This process continues until an equilibrium is established .
  这个过程持续下去直到建立起平衡。
• Societal learning also establishes horizons of perception .
  社会的知识水平也决定着人们的视野。
• It is not easy to establish the exact sequence of events .
  要确定事态演变的明确结果，并不容易。
• The ownership of the island has long been established beyond dispute .
  该岛的归属早已确定无疑。
• But the exact direction of causation is hard to establish .
  但是因果关系的具体程度是很难确定的。
• Within forty-eight hours the cease-fire in laos was established .
  四十八小时内老挝的停火就生效了。
• He and his brother fled to the north to establish a new society .
  他和他弟弟流亡到北方开辟新家园。