You can run into issues of things like overflow, underflow, with floating point numbers and when you see a whole bunches of ones, it's particularly a good time to be suspicious.
来看看哪儿会出问题，你可能会碰到浮点数中的溢出和下溢问题,当你碰到一系列这种问题后，可能就会适时的开始怀疑结果的正确性。
When you work with groups that may be large enough to overflow into breakout subgroups, you should specify this option for all adds to avoid duplication.
当处理的组很大以致要分出断接子组的时候，应该为所有添加项指定这个选项，以避免重复。
For example, a buffer overflow in a network server program that can be tickled by outside users may provide an attacker with a login on the machine.
例如，外部使用者可以利用的网路伺服器程序中的缓冲区溢位，可能使攻击者登入到机器。
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