标识：普通包布V带的标识，本公司均按V带的外周长度及基准长度标识，各型号换算关系见上表。
MARKING: The marking of classical wrapped V-belts represent both the inside length and pitch length of factory V-belts. The length conversion table is availabie for conversion between various models.
通过对图像瞄准系统中的畸变分析，提出以激光长度测量值作为长度基准的成像系统在线自标定方法。
In this paper the distortion of image collimating system is analyzed, and then an on-line self-calibration method with double-frequency laser length measuring result as length datum is presented.
本文研究了编织、染色和整理过程中影响棉针织物基准状态尺寸的各种因素，提出线圈长度对基准尺寸有决定性作用，染整工艺及染整条件对基准尺寸影响很大，应严格控制。
This report analyses the factors which influence the dimensions of reference state in knitting, dyeing and finishing process. Some measures for the control of reference dimensions have been discussed.
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