investigator

• The investigators were confronted by a wall of silence .
  调查人员碰了壁，谁也不回答他们的问题。
• The investigators also turned up evidence of battered wives .
  调查人员还提出了妇女受折磨的证据。
• Testimony by league of nations investigators left little doubt .
  国联调查人员的报告使人没有怀疑。
• These investigators showed that betaine caused a growth response .
  这些研究者证明：甜菜碱导致生长反应。
• 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。
• Many people died in these crashes, and this has puzzled investigators .
  许多人死于这样的事故，这问题始终为调查人员迷惑不解。
• The investigators were content with what they constructed as "defined media" .
  研究者们满足于他们认为的所谓“规定的培养基”。
• Many investigators had grapple with the problem, usually with poor results .
  许多研究人员曾设法解决这个问题，但是往往没有好结果。
• All investigators in mass transfer assumed plug flow of gas in packed beds .
  所有传递问题的研究者都假定在填充床层中的气体为活塞流。
• Electricity appeared to its early investigators as an extraordinary phenomenon .
  在早期从事研究工作的人看来，电似乎是一种很不寻常的现象。