Our observation is that users tend to avoid putting their heads through objects once they realize it is possible, unless they realize an opportunity to exploit game design by doing so.

我们的观察是，一旦用户认识到这么做是可能的，他们通常倾向于避免将头穿过对象，除非他们意识到这样做利用游戏设计的机会。

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The types and design principles of once-through boiler startup system and steam turbine by-pass system are expounded.

阐述了直流锅炉启动系统与汽轮机旁路系统的型式及设计原则。

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So the control system can be made more ideal. The paper describes the design method of sliding mode fuzzy controller without its system model for the once-through stream generator.

本文主要阐述一种不用系统模型的模糊变结构控制器对直流蒸汽发生器压力进行控制的设计方法。

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To put himself through design school, he worked as an apprentice--once severing part of a finger--in a factory that made molds for everything from automobile logos to eyeglass frames.

FORBES: Tough Guy

To put himself through design school, he worked as an apprentice--once severing part of a finger--in a factory that made molds for such things as automobile logos and eyeglass frames.

FORBES: Lens master

The role of landscape architecture is once again one of green embellishment, adding parks here and there, rather than sustainability agenda-setting through thought-provoking design.

BBC: Martha Schwartz