您要查找的是不是：
- He observed that when light from a single source is separated into two beams, and the two beams are recombined, the combined beams produce a pattern of light and dark fringes. 他发现，把一束同源的光分成两束，再把这两束光重新组合在一起，组合的这两束光将产生具有明暗条纹的图样。
- The use of light and dark symbolizes good and evil. 用光明与黑暗来象征善与恶。
- As mentioned above, unlike Gemstones, Diamonds are cut to a uniform ideal for maximum brilliance (white light reflections), fire (flashes of color) and scintillation (patterns of light and darkness). 如前述，钻石与其它有色宝石不同，她是通过形状切割来实现最佳的折射度（白光反射度）、火彩度（颜色闪烁度）和闪光度（光暗格调）。
- Spots of light and dark added with burn and dodge tools. 应用加深工具和减淡工具添加亮暗色度。
- The film describes a battle between the forces of light and dark. 电影描述了光明跟黑暗两大势力之间的一场战争。
- Thoughts appear as kaleidoscopic patterns of light and sound. 思想显现为光和声的万花筒般的图案。
- patterns of light and dark 明暗相间的图案
- The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
- Having the areas of light and dark in their original and normal relationship, as in a photographic print made from a negative. 正片的使明暗区处于它们原本及正常的关系中的，如位于从底片印出的相片上
- The arrangement of light and dark elements in a pictorial work of art. 明暗处理一件绘画艺术品中对明、暗要素的安排
- The plant was starved of light and died. 这株植物因为极度缺乏光照而死了。
- Lilu halter top features floral prints with shades of light and dark pink. 右胸大的深粉色花朵图案，左胸小的深粉色花朵图案，后部有同样的绣花图案。
- Add in the sense of shade, metals are reflective, therefore have stronger sense of light and dark. 画出亮暗的光感,金属比较犀利,因此光暗的对比也会比较强烈些。
- A process called photolithography defines the ion-activated regions with patterns of light and acid etching to make transistors [see illustration on page 55]. 若想在晶圆上挤入更多的电晶体，就必须选择波长更短的光束。
- As the electron beam goes across the face of the picture tube, there are various little spots of light and dark. 当电子束扫过显象管屏幕时，屏幕上就有许多小亮点和暗点。
- The alternation of light and dark bands of color in the fur of various animals,producing a grizzled appearance. 深浅环纹不同动物毛皮上深浅相间的彩色条纹，产生灰白斑的外表
- The contrast of light and shade is important in photography. 在摄影艺术中明暗的反差是很重要的。
- Sunlight was streaming through the bamboo blinds and throwing a criss-cross pattern of light and shade over part of the room. 太阳光透过了那一排竹帘子，把厢房的前半间染上了黑白的条纹。
- The alternation of light and dark bands of color in the fur of various animals, producing a grizzled appearance. 深浅环纹不同动物毛皮上深浅相间的彩色条纹，产生灰白斑的外表
- Even the exquisite Hubble Space Telescope, for example, shows only blurry regions of light and dark on Pluto's surface. 例如，即便是十分敏锐的哈伯太空望远镜，也只能看到冥王星表面模糊的明暗区域。
