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diaphragm

C1 verb

diaphragm /ˈdaɪəˌfɹæm/ nghĩa là khép khẩu

Các nghĩa

  1. khép khẩu

    To reduce lens aperture using an optical diaphragm.

    He employs an equatorial with an object-glass having a focal length of five metres, and which was diaphragmed down to eight centimetres.

  2. rung như màng chắn

    To act as a diaphragm, for example by vibrating.

    The holes and burning are caused by the part diaphragming at 20000-40000 cycles/second.

Dạng khác