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- The results indicated that there were more fixed point, longer dwell time and less pupil size in OV than those in IP.Sweep amplitude diminished with increased task difficulty. 被试者在外景有更多的注视点、更多和更长的注视时间，在仪表上的平均瞳孔尺寸比外部视景要大，平均扫视幅度随任务难度增大而减小。
- Discussion of Difficulty Index of End Dump Closure 立堵进占截流困难度指标的探讨
- Identifying and Controlling Writing Task Difficulty Factors in English Tests 英语写作题难度影响因素及控制
- He had only an imperfect understanding of his task. 他对自己的任务只是一知半解。
- I underrated the difficulty of the task. 我低估了工作的困难程度。
- A part of this urgent task was allotted to us. 这项紧急任务的一部分分给了我们。
- A difficulty has cropped up at work. 工作中突然出现困难。
- He decided to go all out to fulfil the task. 他决心全力以赴地去完成任务。
- He could bluff his way through any difficulty. 他可以招摇撞骗闯过任何难关。
- I obtained this record for you with difficulty. 我好不容易为你弄到了这张唱片。
- Modern artists have difficulty in finding patrons. 现代艺术家们很难找到赞助人。
- I must fulfil my task by some means or other. 我总得想个办法完成任务。
- He was able to cast off such an uninteresting task. 他终于摆脱了这么一项乏味的工作。
- His disposal of the difficulty pleased everybody. 他对困难的处理使大家都感到满意。
- He faced the difficulty with courage. 他勇敢地面对困难。
- He finished the work without any difficulty. 他轻而易举地完成了这项工作。
- How they laid about them to fulfill the task! 他们是何等竭尽全力来完成这一任务啊！
- Get over the difficulty is possible. 克服这些困难是有可能的。
- He carried on the task left by his comrades. 他把同志们留下的工作继续做下去。
- The index is at the back (of the book). 索引在(书的)末尾。
