例句與造句

1. Pinhead mirror technology was protected under "'US patent 4, 948, 211 "'- " Method and Apparatus for Optical Imaging Using a Small, Flat Reflecting Surface " until the patent expired in 2009.
2. The flat reflecting surfaces can be metal sheets, but are more often made of wire screen or rod elements parallel to the driven element, to reduce weight and wind loads on the antenna.
3. In 1704, Isaac Newton discovered that by placing a convex lens on a flat reflecting surface, a beam of incident light was split into two parts, one of them reflected from the convex lens surface and the other from the flat mirror underneath it.
4. It's difficult to find flat reflecting surface in a sentence. 用flat reflecting surface造句挺難的