该方法在经过各种调整后，在针距设置控制的恒定设置下确定针距，适用于电动家用缝纫机，但也可能适用于手动或脚踏式机器。除原理外，还包括缝纫机的准备、程序、结果表达和试验报告，以及规定材料和设备的附件。

The method determines the stitch length at constant setting of the stitch length setting control after various adjustments and is applicable to motor-operated household sewing machines, but it may also be possible to apply it to hand- or treadle- operated machines. Includes additionally to principle, preparation of the sewing machine, procedure, expression of results and test report an annex which specifies material and apparatus.