这是关于计算机内存管理的句子，帮我看看
these blocks and boundaries help to ensure that applications won't be loaded on top of one another's space by a poorly calculated bit or two.
翻译一下啊谢谢哦
by a poorly calculated bit or two.这是什么意思呢？
參考答案:这些块和边界为了确保应用不会因为一两次错误计算位而被加载到紧接着的另一空间中。
by a poorly calculated bit or two. 一次或两次的错误计算位
on top of 紧接着的
poorly 错误的，病态的