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也许这个可以解释:
http://www.unc.edu/~rowlett/units/dictR.html
"running foot
another name for a linear foot. Terms such as running meter and running yard are used similarly. "
linear foot (or "lineal" foot) (ft or lf) terms used loosely to describe a one-foot length of any long, narrow object. The correct term is linear foot; the word "lineal" refers to a line of ancestry, not to length. Boards, pipes, and fencing are typical objects measured and sold by the linear foot. In the moving industry, a linear foot is a one-foot length of a moving van, usually a volume of about 72 cubic feet (roughly 2 cubic meters). Occasionally the term "linear foot" is used as an alternate name for the board foot, but this is appropriate only if the board is 12 inches wide. Terms such as linear meter and linear yard are used in a similar way to indicate one-meter or one-yard lengths.
从以下文章中也可以看出与"reference"等无关
A length of 794 kilometers of track laying has been completed at the Golmud-Lhasa section of the Qinghai-Tibet Railway, and 413 bridges constructed.
The track laying work went on smoothly after resumption on March 10, with 29 out of the 32 key projects along the line finished.
Total work has been finished for 75.489 million cubic meters of earth and stone, 81858.43 running meters for super-large bridges, 55587.85 running meters for large bridges, 13398.74 running meters for medium-sized bridges and 4822.9 running meters for small bridges. Besides, 37381.81 running meters of culverts, 9,074 running meters of tunnels, 2,745 square meters of house building, 627.06 kilometers power line and 418.77 kilometers communication line are also finished.
By People's Daily Online
[ 本帖最后由 bjchan 于 2009-11-26 12:47 编辑 ] |
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