aperture of screen

常見例句

If the aperture is circular , a circular spot of light appears on the screen.
如果孔是圓形的，那麼在屏幕上出現(xiàn)一圓形光斑。
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Is it true that there is no direct conversion between the aperture size(diameter)and meshes of silk screen ?
絲網(wǎng)孔度（直逕）和目之間是否無法直接換算？
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This formula is not limited by the aperture radius and the distance from the screen and can be used as a theory of near field optics.
推導(dǎo)了圓孔衍射公式，該公式不受孔逕大小和到屏距離的限制，可以作爲(wèi)近場光學(xué)的理論。

For years, I have worked with bulky digital cameras, always mindful of the technical maneuvers from setting the shutter speed and aperture to editing and toning on a computer screen.
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