as-needed中文什么意思

• 恰如所需

• need:    n. 1.必要,需要。 2.缺乏,不足。 3.需求；需用 ...
• that are needed:    意为"所需的
• archive needed:    需要存档
• certification needed:    所需执照
• diskette needed:    所需软盘

例句与用法

1. New log files are created on an as - needed basis
   可根据需要创建新的日志文件。
2. The transaction can then be promoted to a full distributed transaction on an as - needed basis
   该事务可以根据需要提升为完全分布式事务。
3. A promotable transaction is a lightweight local transaction that can be automatically promoted to a fully distributed transaction on an as - needed basis
   可提升事务是可以根据需要自动提升为完全分布式事务的轻型（本地）事务。
4. Consider these best practices simply as tools that you keep in your " project management toolkit , " tools that you use appropriately on an as - needed basis
   要将这些最佳实践简单地看作是您放置在“项目管理工具箱”中的工具，您可以根据需要适当使用这些工具。