It then replaces them with the concatenated string.

随后又使用连接后的字符串替换这些字符串。

The reports are concatenated for displaying current information.

这些报告会合并在一起，显示当前信息。

Are strings being repeatedly concatenated without string buffers?

字符串被反复连接并没有使用字符串缓冲？

The first expression must be the row value that must be concatenated

第一个表达式必须为串联的行值。

Get the byte array representation of the concatenated string from Step 1.

得到第1步中串接的字符串的字节数组表达。