指针

The needle of a compass points to the north.

罗盘北方。

A compass needle always points north.

罗盘总是北方。

The watch has a luminous dial.

那只表盘可以发光。

The fuel gages dropped swiftly.

燃料表迅速下降。

When you access the struct through the interface pointer, you don't have to unbox the struct to access that object.

当你通过接口访问接口时候，没必要对结构体进行拆箱后再访问那对象了。为了举例，想象该结构体定义了一链接和一描述。

Model C31 Meters are multirange instruments and a plug-in type switch is used for range change-over,so for the sake of easy operation.

C31型直流电表是磁电系张丝支承示可携式电表,仪表具有良好防颠震性能和较高灵敏度及使用寿命.

The dial shall be made of copper aluminum alloy, inalterable black numerals and graduation on white background. The manufacture of same will be to applicable standards.

仪表刻度盘应为机械式，应选用铜铝合金材质，底色为白色，上数字和刻度为黑色（不易褪色），刻度分配应采用厂家提供准。

Turn on and cut function details: The table shows the turn on and cut situations as pointer moves deasil, and the function is opposite while the pointer moves widdershins.

表中描述开关功能是表示：仪表压力位于最小刻度值时所具有开关功能，即压力从最小刻度值开始顺时动时开关状态，当压力逆时转动时，实现开关功能相反。