Function evaluation methods usually include function cost method and function index method.

功能评价方法常采用功能成本法和功能指数法。

youdao

With the first method, you call your new functions as identified by their index through the syscall function.

使用第一种方法，您可以通过syscall函数调用由其索引所标识的新函数。

youdao

It says that the function must be used in an expression involving the comparison operation and that the search method "equals" of the index extension hash_index is referred to.

这说明，该函数必须在一个涉及比较操作并且引用了索引扩展hash _ index的搜索方法“equals”的表达式中使用。

youdao