When the reserve-production ratio approaches to10 years, the development of a field may come to a declining stage.
当储采比接近于10时，油气田开发可能会进入递减阶段。
Conclusion: ART recommendations for stage I seminoma are declining. Men in less educated regions and the youngest men were less likely to receive a recommendation for ART.
结论：推荐I期精原细胞瘤患者行art的数目在减少。那些受教育较少区域的人和很年轻的男性不太容易接受ART治疗。
However, with the increase of general screening and the diagnosis of more early stage gastric cancer, mortality rates for gastric cancer have been declining worldwide in recent decades.
可幸的是，随着普查的流行及更多早期胃癌的诊断，近年本病的死亡率已有下降趋势。
During the flush production stage, the oil is produced in relatively large, but rapidly declining amounts from the natural reservoir energy.
在自喷期内，依靠天然储层能量开采，产量相对较高，但下降较快。
During the flush production stage, the oil is produced in relatively large, but rapidly declining amounts from the natural reservoir energy.
在自喷期内，依靠天然储层能量开采，产量相对较高，但下降较快。
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