预先

• Advance knowledge of anticipated weather conditions is invaluable for planning .
  对天气情况进行预先了解，对任务设计来说是极为重要的。
• The colorimetric methods involve the bleaching of a preformed color by the fluoride ion .
  比色法涉及氟离子对预先形成的颜色的消色作用。
• One drawback of this approach is that the words must be registered in the system beforehand .
  这种方法的缺点是必须把词预先存贮在系统中。
• Would adolf berle be the man to undertake advance planning on hemisphere policy .
  阿道夫伯利是不是一个预先着手拟定本半球政策的适当人选？
• Acid and dilution water feeds are usually proportioned in a predetermined ratio and interlocked .
  硫酸和稀释用水通常按预先确定的比例供给并相互连锁。
• They showed that the generating transformation of the monodromy group can be prescribed arbitrarily .
  他们证明了产生单值群的变换可以任意地预先指定。
• It is sometimes so treated prior to processing into edible product by bleaching and deodorization .
  用它加工食品时，有时需要预先进行漂白和脱味处理。
• Preassembled parallel wire strands, in contrast to structural strands, do not require prestretching .
  预先装配的平行钢丝索与结构钢缆相比，不需要预拉。
• "we did an awful lot of prestudy before making a decision," says one staff officer .
  “在决策之前，我们做了多得怕人的预先研究，”一位职能部门的负责人说。
• The insulin-dosage rate is set in the electronic controller according to the patient's needs .
  胰岛素的剂量注射速率，可根据病人的需要在电子控制器中预先制定。