她一直看着锅炉上的刻度盘，指针已经到达250度。
She kept looking at the dial on the boiler. The needle had reached 250 degrees.
指针突然从刻度盘的一端跳到另一端。
这个装置的正面有个刻度盘，盘上至少有三根指针，一根用来指示日期，其余两根用来表示太阳和月亮的位置。
A dial on the front of the device probably carried at least three hands, one indicating the date and the other two indicating the positions of the Sun and the Moon.
这个钟的款式非同一般，既没有指针也没有刻度盘，只有在准点才报时，方法是敲钟，也许其初衷就是召唤僧侣们该做祈祷了。
Only the hours are marked, by the striking of a bell: the original purpose may have been to call the monks to prayer.
罗盘刻度盘单独由装有晶体管的伺服系统驱动，指针由自整角机驱动。
Compass card is individually driven by a transistorized servo system and Pointers driven by synchros.
机器的传动装置极富创意，由指针和刻度盘组成的装置连接两个齿轮，其引起的刻度变化代表月球的运行，这符合希帕科斯提出的月球在椭圆形轨道上绕地球运转的模式。
An ingenious pin-and-slot device connecting two gear-wheels induced variations in the representation of lunar motions according to the Hipparchos model of the Moon's elliptical orbit around Earth.
机器的传动装置极富创意，由指针和刻度盘组成的装置连接两个齿轮，其引起的刻度变化代表月球的运行，这符合希帕科斯提出的月球在椭圆形轨道上绕地球运转的模式。
An ingenious pin-and-slot device connecting two gear-wheels induced variations in the representation of lunar motions according to the Hipparchos model of the Moon's elliptical orbit around Earth.
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