practice testing的用法和樣例：
例句
- Practice proves that the measures are feasible, safeguarding the steady production of the unit.
經實踐驗證，措施是切實可行的，保障了裝置的穩定生產。 - The validity of using principle of organization design at the CYL of Colleges and Universities was substantiated by our practice.
通過實踐驗證了在高校共青團中應用組織設計原理的有效性。
