Results The simple film-developing heating device could basically keep the photographic developer in constant temperature for best development effect in winter and spring.
结果：简易洗片加温装置，在冬、春季节使显影液温度基本恒定，基本达到显影液最佳显影效果；
He scored his first success in the 1890s with his invention of Velox, an improved photographic paper that freed photographers from having to use sunlight for developing images.
19世纪90年代他因发明了Velox而首获成功。Velox是一种改进了的照相纸，摄影师不必采用阳光也能使它产生图像。
He puts the photographic film in the developing solution.
他把底片放到显影液中。
He puts the photographic film in the developing solution.
他把底片放到显影液中。
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