参与者拥有自己的“区域工作空间”，在这块空间他们可能可以保留一定的项目的不可见，以达到保持隐私和实用性上的目的。
Participants have their own "territorial workspaces," where they may keep certain items hidden for privacy and practical purposes.
拖曳船上的操作者可以通过一定的控制方式实施对拖曳体的轨迹与姿态控制来达到执行不同水下探测任务的目的。
The operator on ship can implement to pull through certain control method, to control orbit and posture of body, achieve and carry out different purposes of the underwater detection mission.
如何从孩子的实际出发，既不违背他们的天性，又可以达到一定的教学目的呢？
How do we achieve some degree of educative purpose without violating their natures according to children's characteristics and the reality?
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