27kb

This algorithm is applied to our developmented JPEG image coding, and yields very good results.

本算法用于我们开发的JPEG图像编码算法上，取得了满意的效果。

50kb

A big breakthrough of natural gas exploration were made in petroliferous Changling Faulted Depression, and high quality source rocks were also developmented in this region.

长岭断陷是一个富气凹陷，天然气勘探取得较大突破，其深层发育了优质的烃源岩。