That's very small — that's what we call the relative error.
非常小，我们称其为相对误差。
If you try to call fact outside of factorial, you will get a compiler error.
如果你尝试在factorial之外去调用fact，你会得到一个编译错误。
The mysqli_errno function returns the error code of the most recent function call.
mysqli_errno函数返回最近的函数调用的错误码。
This call either returns zero on success or a non-zero error code on failure.
函数调用成功时返回零，失败时返回非零的错误代码。
For the sake of simplicity, I just return the error message if the call fails.
为简便起见，调用失败时仅返回错误消息。
If there are no viable functions, then the call is in error.
如果没有找到可行函数，则该调用错误。
Returns an error or status code associated with the most recent function call.
返回最近调用此函数产生的状态信息或错误代码。
System error 1726 has occurred. The remote procedure call failed.
系统错误，1726已经发生。远程过程调用失败了。
Show call stack link, which further expands the error to show the call stack.
“显示调用堆栈”链接，这将进一步扩展此错误以显示调用堆栈。
Show call stack link, which further expands the error to show the call stack.
“显示调用堆栈”链接，这将进一步扩展此错误以显示调用堆栈。
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