punctual time的用法和樣例：
例句
- The valuation time shall be consistent in all kinds of products.
不論商品類(lèi)別是否相同，其評價(jià)之時(shí)點(diǎn)應具一致性。 - To reverse changes that were made by transactions that were uncommitted at the point in time to which a database is being recovered.
撤消在數據庫要恢復到的時(shí)點(diǎn)之前未提交的事務(wù)所做的更改。
