早期的

• In the early work, separation of the products depended on distillation .
  在早期的工作中，产物是靠蒸馏分离。
• The early counterfeit cards were crude and easily recognizable .
  早期的伪卡都是粗制滥造的货色，很容易识别。
• The early definitions stressed a blend of biological and chemical control .
  早期的定义强调生物和化学防治结合。
• Many early investigators were discouraged by reproducible results .
  由于结果的重复性，许多早期的研究者丧失了信心。
• The earlier drawings betray a complete incapacity to group animals .
  早期的图画暴露了他们完全缺乏描绘成群野兽的能力。
• In many earlier studies simplicity of the algorithms used has been emphasized .
  在许多早期的研究中往往重视算法的简单性。
• The first internal combustion engines ran on the previously discarded gasoline .
  早期的内燃机使用原先弃置不用的汽油运转。
• The first internal combustion engines ran on the previously discarded gasoline .
  早期的内燃机依靠原先弃置不用的汽油而运转。
• The initiation and early development of the poultry sciences belongs to two scholars .
  家禽科学的开创和早期的发展归功于两位学者。
• These early observations have been supplemented with results from chemical fractionation .
  这些早期的观察曾为化学馏分的结果所增补。