concave mirror
常見例句
- The diameter of a sphere is four times the focal length of a concave mirror cut from it.
凹面鏡如果是從圓球上切下來的,圓球的直徑會(huì)是凹面鏡焦距的四倍。 - Cool Earth’s insight was that if you coat only one half of a balloon, leaving the other transparent, the inner surface of the coated half will act as a concave mirror.
Cool Earth的想法是如果你只鍍半個(gè)氣球,另一半是透明的,鍍層內(nèi)表面的那半起凹透鏡的作用。 - Cool Earth's insight was that if you coat only one half of a balloon, leaving the other transparent, the inner surface of the coated half will act as a concave mirror.
酷地太陽能公司有個(gè)獨(dú)到的認(rèn)識(shí):如果只給氣球的一半涂上金屬,讓另一半透光,那么涂有金屬的那一半內(nèi)表面就會(huì)象一個(gè)凹面鏡。 - Cool Earth's insight was that if you coat only one half of a balloon, leaving the other transparent, the inner surface of the coated half will act as a concave mirror.
ECONOMIST: Monitor 返回 concave mirror