常見例句雙語例句The other value in using the abstraction layers of the PEAR DB module and PDO is that you can use the ? operator in your SQL statements.使用 PEAR DB 模塊和 PDO 抽象層的另一個價值在於您可以在 SQL 語句中使用 ? 操作符。A new mobile operator context with two partitioned use cases and a new actor (Simpay Ltd.) has been derived from the higher abstraction level.帶有兩段用例和一個新蓡與者(Simpay 有限公司)的新的移動操作者語境已經(jīng)由更高抽象層派生出來。 返回 abstraction operator