radian

Nghĩa (Tiếng Anh)

In the International System of Units, the derived unit of plane angle: the angle subtended at the centre of a circle by an arc of its circumference equal in length to the radius of the circle.

Từ đồng nghĩa

source of light

photosource

luminous source

optical source

radian measure

illuminating source

light source luminaire

Bản dịch

Phát âm là (IPA)
/ˈɹeɪdiən/
Từ nguyên (Tiếng Anh)

From radius + -an.

Notes

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