As the wheel rotates, the gondolas are kept in the upright position by a simple gearing system.

当车轮转动时，贡多拉通过一个简单的传动系统保持在垂直位置。

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The drawworks auto-gearing system controlled by single chip computer is put forward in this paper.

提出了由单片机控制的绞车自动换挡系统。

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Gear case of the gearing system and the gliding tailstock are integrative structure, lifting swiftly, operating easily.

传动系统的齿轮箱与滑动顶尖座为一体结构，升降灵活，操作方便。

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Medieval monks noted that using a similar gearing system driven by a descending weight might be used to measure out an hour of time mechanically.

FORBES: What Are Examples of Things in the "Common Knowledge" about History That Historians Almost Universally Consider Incorrect?

Noting that warm air moved up a chimney (which were another Medieval innovation), larger Medieval kitchens had fans installed in the chimney to automatically turn spits by use of a gearing system.

FORBES: What Are Examples of Things in the "Common Knowledge" about History That Historians Almost Universally Consider Incorrect?

Employers--and the Medicare system, which is gearing up to cover 35 million elderly people in 2006--will have to decide whether to pay a big premium to lower cholesterol by a few extra points, or just push most people toward cheap generics.

FORBES: Pills for Everyone!