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- Focal length The distance between the centre of a lens and its principal focus. 镜头中心与其主焦点的距离。
- Having the same focus or foci. Used of a lens. 共焦的有共同焦点的。用于透镜
- Concave on both surfaces;biconcave.Used of a lens. 双面均凹进的;双凹的。用于指透镜
- Convex on both sides;biconvex.Used of a lens. 凸凸的两面部凸的;双凸面的。用来指透镜
- Convex on both sides; biconvex. Used of a lens. 凸凸的两面部凸的;双凸面的。用来指透镜
- To increase the apparent size of, especially by means of a lens. 扩大外观上的尺寸,特别是利用透镜。
- Concave on both surfaces; biconcave. Used of a lens. 双面均凹进的;双凹的。用于指透镜
- There is a big stone in the centre of a peach. 桃子中心有一个大核儿。
- centring of a lens 透镜的合轴
- The Prime Minister is at the centre of a political row over leaked Cabinet documents. 首相是内阁文件泄密政治纠纷的中心人物。
- Now she was the centre of a little illumination of her own. 现在她正处于愉快的心情之中。
- The cake we made was somewhat of a failure. 我们做的蛋糕不大成功。
- He has a flat in the centre of town. 在市中心他有一套单元房。
- He have buy a shoe shop in the centre of town. 他在市镇中心买下一个鞋店。
- Will you partake of a drink with us? 和我们一同喝一杯好吗?
- He doubles the parts of a farmhand and a miner. 在这出戏里他既扮演雇农又扮演矿工。
- He let himself down slowly by means of a tope. 他借助一根绳子慢慢地下来了。
- He went about in the disguise of a sailor. 他伪装成海员到处流窜。
- The novel unrolls the history of a certain woman. 那本小说揭露了某个女子的过去。
- The war was lost because of a shortage of munitions. 战争因军火不足而失败。