标度锁挡
度盘锁档

Dial \Di"al\, n. [LL. dialis daily, fr. L. dies day. See
{Deity}.]
1. An instrument, formerly much used for showing the time of
day from the shadow of a style or gnomon on a graduated
arc or surface; esp., a sundial; but there are lunar and
astral dials. The style or gnomon is usually parallel to
the earth's axis, but the dial plate may be either
horizontal or vertical.

2. The graduated face of a timepiece, on which the time of
day is shown by pointers or hands.

3. A miner's compass.

{Dial bird} (Zo["o]l.), an Indian bird ({Copsychus
saularius}), allied to the European robin. The name is
also given to other related species.

{Dial lock}, a lock provided with one or more plates having
numbers or letters upon them. These plates must be
adjusted in a certain determined way before the lock can
be operated.

{Dial plate}, the plane or disk of a dial or timepiece on
which lines and figures for indicating the time are
placed.