That marked the biggest annual drop on records going back to 1968.

这标志着1968年以来最大的年度跌幅记录。

youdao

Since the deleted recordId is not reused so as to maintain the original sequence in records, the record is marked as invalid by a distinctive string pattern.

因为为了维持记录中原始的顺序所删除的 recordId不能重用，所以这个记录通过特有的字符串模式标记为无效。

youdao

If HAMMER encounters a cluster which is unexpectedly marked open it will perform a recovery operation on the cluster and throw away any records beyond the synchronization point.

如果HAMMER遇见一个被意外标识成“开启”的集群，它将在集群上执行一次恢复操作，并丢弃原先从同步点上获得的任何记录。

youdao

He cited records showing that scores of calls within minutes were marked by a notation that means no responders were dispatched.

WSJ: Glitches in new NYC 911 system

Senior staff said they had good records of the work and believed pupils could still be marked.

BBC: Dorset 'lightning strike' school to stay shut for new term

Senior staff previously said they had good records of the work and believed pupils could still be marked.

BBC: Dorset school fire pupils to get exam grades