focusing device

focusing device 基本解释

[电] 焦点调整装置

focusing device 用法和例句

1、It has focusing device, which can make adjustment of astigmatism and prefocus.

具有调焦装置, 可以进行散光和聚光调节。

2、Disclosed is freely varifocal glasses, which comprises zoom lenses and a focusing device.

自由变焦眼镜, 是由可变焦镜片和调焦装置构成。

重点词汇

focusing v. 调焦；（使）集中， （使）聚集( focus的现在分词 )；调整（镜头，眼睛）焦点[焦距]以便看清；（光、声等的）焦点；集中（光束于）

device n. 装置，设备；方法；策略；手段