focal depth

English

focal depth (plural focal depths)

(geology) The depth below the Earth's surface of the hypocentre of an earthquake.
(optics) The field of view of a camera that is in sharp focus.

单词	focal depth
释义	focal depth English Noun focal depth (plural focal depths) (geology) The depth below the Earth's surface of the hypocentre of an earthquake. (optics) The field of view of a camera that is in sharp focus.
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