The Double Tourbillon is driven by twin barrels geared in line, one of which is equipped with a slipping spring so as to avoid any defect caused by excess tension on the mechanisms during winding.

立体陀飞轮由同心双发条盒驱动，其中一个装有减速弹簧，这样可防止在上链时由于过度张力导致的机件故障。

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Get geared up for a double IP weekend, starting this Friday!

得到了一个双ip的周末，从这个星期五！

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WT35-11 comes as an axial-flow roof fan that features low and medium levels of pressure and heavy wind flow and can be geared to the needs of blowing, exhaust and double-rotation reversible mode.

WT35-11型为屋顶轴流式通风机，该风机为中低压大流量风机，可设计成送风、排风或双旋转可逆式。

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Moreover, with both Europe and the United States teetering on the brink of another double-dip recession, policies geared towards bringing manufacturing home via tax incentives and other measures are more likely to become law.

FORBES: FoxConn to Replace Workers With Robots; Aim For One Million Robots In Three Years

Additional features geared towards providing a fun play experience for LEGO builders include double-tapping a part for component information, and a Map feature that allows users to see exactly which part of the model is being worked on.

ENGADGET: Autodesk partners with Lego to create 3D interactive Mindstorm EV3 instructions