The reason this works is related to a concept called parity.

这样做的原因称为校验的概念有关。

If that sum is the same as the checksum sent in the header, all is well.

如果该和中发送的校验和相同，则一切正常。

Grid parity is understood as that line, that threshold, below which renewable electricity is cheaper than electricity from burning fossil fuels.

网格校验被理解为一条条线，一个阈值，低这个准，可再生能源发电比化石燃料发电便宜。

In UDP, the checksum value is stored in 16 bits.

在 UDP 中，校验和值以 16 位存储。

UDP headers also include something called a checksum, which allows the data to be verified for correctness.

UDP 还包括一种称为校验和的东西，它允许验证数据的正确性。

That signal, then, is all tied up in the comment I made about parity violation earlier—in self-analyzing spin, I said.

这个信号，然后，都我之前关校验违反的评论有关——在自我分析中，我说。

Doug Bryan of iCrossing, a digital-marketing consultancy, explains that the most up-to-date “price customisation” software can collate such clues with profiles of individual shoppers that internet sellers buy from online-data-aggregation firms.

数字市场营销咨询公司iCrossing的Doug Bryan解释称，时下大多数" 个性化价格" 软件可以使用自身收集的数据对网络卖家从其他在线数据汇总企业的数据进行校验。

Second, TCP requires that once a computer has correctly received a packet – and the data passes the checksum – that it send back an acknowledgement, or " ACK" as the cool kids say, to the sending computer.

其次，TCP要求一旦计算机正确接收到数据包 - 并且数据通过校验和 - 它就会向发送计算机发送回确认，或者像很酷的孩子所说的“ACK”。

In this case, the values whose parity we're considering are the number of 1s in each digit place of our binary sums. And that's why we can say that 2 and 0, both even numbers, can be treated as equivalents.

在这种情况下，我们正在考虑其校验的值是二进制和的每个数字位中 1 的数量。这就是为什么我们可以说 2 和 0 都是数，可以被视为等价物。