a fraction of an inch的意思|示意

Meanwhile Liau moves the electrode a fraction of an inch.

同时Liau把电极移动了一英寸的部分。

A single wingtip feather, he found, moved a fraction of an inch, gives a smooth sweeping curve at tremendous speed.

他发现，把翼消的一根羽毛转动那么一丝丝，就可以在高速下平平稳稳地来个急转弯。

Stitches are made a fraction of an inch inside the seam line in the seam allowance to prevent marking the right side of the garment and to allow machine stitching on the original seam line.

针迹是在缝份的接缝线里挑起一小部分纱线，目的是防止在服装的正面留下记号，机缝线迹可以留在最初的接缝线上。