功能很强大 meaning in Chinese

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Table functions are powerful because it can make any data source appear like a db2 table , which can be then used in normal sql queries , join operations , grouping , and so on
表函数的功能很强大，因为它可以使任何数据源看起来类似于db2表，然后就可以用于常规的sql查询、连接操作和分组等。
Tool was an early attempt to use theorem - proving to enforce interface contracts , such as " this parameter must be non - null . " while it was powerful , it was difficult to use so it never left the lab
工具是使用定理证明来实施接口契约（如“这个参数必须非空” ）的早期尝试。虽然它的功能很强大，但是难于利用，所以一直只限于在实验室使用。