So it's helpful for HFPE's structural design and compression ration control and its efficiency improvement.
为HFPE的结构设计、控制和效率提高指明方向。
Experimental results show that the ration of image data compression is more than 18% for binary images and about 7% for gray level images.
结果表明，对于二值图象，其压缩比可达18%以上，对于灰阶图象约为7%。
The method used to determine volume-reduction ratio for scroll compressor with modified profile is proposed. Formula for compression pockets and volume-reduction ration are given.
提出了一种修正型线涡旋压缩机内容积比的确定方法，给出了压缩腔容积和内容积比计算公式。
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