发送方应该预先估计有效负载的大小或者将有效负载“分块”，分成固定大小的记录。

The sender should do either pre-computation of the size of the payload or "chunks" the payload into records of fixed size.

youdao

面团分块滚圆机是将和好的面团进行分块并滚圆，面团大小可通过触屏来调节。

Rounder block groups and good dough is divided into blocks and rounded dough the size can be adjusted by touch.

youdao

对应用数据分块，使得数据块大小符合通信子网mtu有效负载的要求，避免IP层分片需要重新分配缓冲区、计算校验和以及数据复制的费时操作。

Therefore, it can reduce one time data handling, 3 divide application data into blocks that content the demand of effective load of communication subnet MTU to avoid IP fragments.

youdao