基本省道有三角省、弯曲省、橄榄省和半活褶。

The basic darts are triangular, curved, double-pointed and the dart tuck.

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半活褶可以从省道的终端缝到折边。或在缝的结束处加固缝纫。

The DART tuck may be finished by stitching across the end to the fold or by tacking at the end of the seam.

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单位人员则要更多的考虑穿戴舒适性，如在后背处加个活褶，增加伏案时上臂的活动范围。

Unit personnel should more consider wearing comfort, as in the back with a pleated, increase desk upper arm of the scope of activities.

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