retention
美[rɪˈtɛnʃən] 网络保留；保持；自留额；滞留
1 . He argues strongly for retention of NATO as a guarantee of peace.
他强烈要求保留北大西洋公约组织以维护和平。
来自柯林斯例句
2 . They supported the retention of a strong central government.
他们赞成保留一个强大的中央政府。
来自柯林斯例句
3 . The company needs to improve its training and retention of staff.
公司需要改进对员工的培训和留用工作。
来自《权威词典》
4 . They advocate the retention of our nuclear power plants.
他们主张保留我们的核电厂.
来自《简明英汉词典》
5 . RETENTION parameter works best if the current undo tablespace has enough space for the active transactions.
retention能做好地工作如果----当前的回滚表空间对活动事务有足够的空间.
来自互联网
1.the act of keeping in your possession
2.the power of retaining and recalling past experience;
he had a good memory when he was younger
3.the power of retaining liquid;
moisture retentivity of soil