一种保存性的活动 Education as a Conserving Activity
数据库阶段性的保存 Database Sessions
永久或长期保存的磁性 permanent-magnet
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。
Many other processes may alter the shell of a clam or snail and enhance its chances for preservation.
如果生物体死于一个快速沉积和缺氧的环境，那么软组织残骸实际保存下来的可能性会提高。
The probability that actual remains of soft tissue will be preserved is improved if the organism dies in an environment of rapid deposition and oxygen deprivation.
CCAMLR 的科学经理基思·里德表示，该组织寻求“在南大洋捕鱼的保护、保存和可持续性之间取得平衡”。
Keith Reid, a science manager at CCAMLR, said that the organization sought "a balance between protection, conservation and sustainable fishing in the Southern Ocean.
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