介绍了冷体积成形技术的原理、特点、研究现状和发展趋势；
The principle, characteristic, research status and development trend of cold accurate forming technology are introduced.
由此讨论电视信号编码研究进展的特点和发展前景。
The distinguishing features of the progress in the study of television signal encoding...
由此讨论电视信号编码研究进展的特点和发展前景。
The distinguishing features of the progress in the study of television signal encoding...
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