Patented contact-free height sensing, Sensual Pan, ensures accurate stand off to give improved cut quality.

专利无接触调高系统，调高盒保证准确的位置得到更好的切割质量。

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Is scaffold free of makeshift devices or ladders to increase height?

脚手架无用来增加高度的临时装置或梯子吗？

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First, grating is projected on measured free surface, and height data of each point on free surface is measured by the grating projection method.

首先将矩形光栅投影在被测表面上，利用光栅投影法测量自由曲面上每点高度信息。

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This meant that for the drop-test we were able to let the Panasonic free-fall from a height of three feet, while the GammaTech was dropped from a somewhat less realistic (in terms of likely real-world falls) one foot.

ENGADGET: Durable faceoff and torture test: Panasonic's Toughbook 30 vs. GammaTech's Durabook D15RP

The great economist lectured at the (now famously free market) University of Chicago on employment at the height of the Depression.

FORBES: Niall Ferguson, Keynes and the Long Run

The tree, which is usually 20 to 25 m (70 ft) in height and anything between 50 and 60 years old, is then shipped free-of-charge across the North Sea to Immingham by DFDS Tor Line.

FORBES: Norway, Christmas and the Wisdom of Country Bumpkins