在传统摄影教学上,一提到标准镜必想起50mm或55mm,但为什么不是28mm、300mm等镜头?这是由于当我们用眼睛观看景物时所见之效果与标准镜所摄景物范围相似,角度同样约是43度,所拍摄景物是最正常,并没有广角镜广阔视野透视感,亦没有远摄镜窄角度压缩感。
浴室的光线真的很好,而且有一面很大的标准镜和一个化妆镜。
The bathroom lighting was really good, and it was equipped with a large standard mirror and a vanity mirror.
这种在《科学》杂志里所报道的装置使用一个标准的抛物柱面镜把阳光搜集进一个反应室。在这个反应室里,铈氧化物催化剂可以分解水和二氧化碳。
The device, reported in the journal Science, uses a standard parabolic mirror to focus the sun's rays into a reaction chamber where the cerium oxide catalyst breaks down water and carbon dioxide.
三一镜报宣布对内部标准进行检查,但是不会对过去寻根究底。
Trinity Mirror has announced an internal review of standards, but this will not delve into the past.
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