数字投影技术属于数字图像输出软拷贝范畴。
Digital projection technology belongs to the category of digital image soft -copy output.
本文阐述了数字影像输出的第一大类领域：数字投影技术。
This paper presents the first main field of digital image output: digital projection technology.
其中一个增长的原因是两年前，电影制片公司就数字投影达成了技术标准。
One reason for the growth is that, two years ago, the studios agreed on technical standards for digital projection.
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