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20世纪50年代木材计量改用立方米，在此之前，计算木材体积采用龙泉两码。这种计量办法是，根据木材长度和周围大小编成的一种数码(全国市制)，以两为单位，但不是实际的立体材积。码价(每两码的材价)根据两码大小和缺陷的多少来评定。原尺至5尺，每增加0.5尺，它的两码(两)从0
In the 1950s, the conversion of timber to cubic meters was used. Before that, the calculation of timber volume was based on Longquan two yards. This measure is based on the length of the wood and the surrounding size of a digital (national system), in two units, but not the actual volume of three-dimensional. The code price (every two yards of material) according to the size of the two yards and defects to assess how much. The original size to 5 feet, each additional 0.5 feet, it’s two yards (two) from 0