Although all filter clauses reduce the final result set of a query, some can also help reduce the amount of data that must be scanned.
虽然所有筛选子句都会减小查询的最终结果集，但是某些筛选子句还可以帮助减小所需扫描的数据量。
2
Changes of above clauses may be made from time to time without prior notice. The COMPANY reserves the right of final decision in case of any dispute.
以上所有条款之内容，本公司可随时更改而无需另行通知及本校保留最终之决定权。
3
Each composition string consists of one or more clauses, where a clause is the smallest combination of characters that the IME can convert to a final character.