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n.
- 1. 压缩率,压缩比
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- The ratio of the total number of bits in a block before compression to the total number of bits in the same block after compression.
压缩前一个信息组中的总比特数与压缩后该组中的总比特数之比。 - The ignition of fuel in an internal-combustion engine before the spark passes through the fuel, resulting from a hot spot in the cylinder or from too great a compression ratio for the fuel.
提前点火由内燃机中的火星穿过燃料之前的燃烧，是因油缸热点过高或对燃料的过大压缩比造成的 - data compression and compaction
数据压缩 - compression of time and space
时空压缩 - impossible to compress; resisting compression.
不可能压缩；耐压缩。