1·Despite success stories like van Oosten's, preservation of plastics will likely get harder.
虽然有范·奥斯坦这样的成功故事，但塑料制品的保存可能会越来越难。
2·Many other processes may alter the shell of a clam or snail and enhance its chances for preservation.
许多其他的过程可能改变蛤蜊或蜗牛的外壳，增加其保存的可能性。
3·Such sales would provide substantial funds for the excavation and preservation of archaeological sites and the publication of results.
这种出售将为考古遗址的挖掘和保存以及成果的公布提供大量资金。
4·Attack by scavengers and bacteria, chemical decay, and destruction by erosion and other geologic agencies make the odds against preservation very high.
食腐动物和细菌的攻击、化学性腐烂，以及侵蚀和其他地质作用的破坏，导致无法保存的可能性非常大。
5·Although it is certainly true that the possession of hard parts enhances the prospect of preservation, organisms having soft tissues and organs are also occasionally preserved.
虽然坚硬部件的拥有确实增加了保存的可能，但拥有软组织和器官的有机体偶尔也会被保存下来。
1·The central issue in the strike was the preservation of jobs.
罢工的核心问题是工作职位的保留。
—— 《牛津词典》
2·The data preservation commands and the maintenance commands are interleaved.
数据保留命令和维护命令是穿插出现的。
3·Linked to this should be the preservation of the single European market and its competition rules, which are under attack from economic nationalists.
与之相关的是对于欧洲单一市场及其竞争秩序的保留，尽管这为民族主义者所诟病。
4·The picture sharply addresses the serious conflict of the conflict between urban development and the preservation of historical sites.
这幅图尖锐地反映了城市建设和历史遗迹保留之间的冲突问题。
5·Note: the data preservation commands are interleaved with the DDL commands.
注意：数据保留命令中穿插有ddl命令。