mbw: add page and Chinese translation (#15486)

* mbw: add page

* mbw: fix link error

* mbw: fix syntax error

* mbw: fix link

* Update pages/linux/mbw.md

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* Update pages.zh/linux/mbw.md

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* Update pages.zh/linux/mbw.md

---------

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

pages.zh/linux/mbw.md

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+# mbw
+
+> 内存带宽性能测试工具。
+> 更多信息：<https://github.com/raas/mbw>.
+
+- 以 512MB 大小运行 3 次内存带宽测试：
+
+`mbw -n 3 512`
+
+- 以 512MB 大小运行 3 次内存带宽测试，仅输出统计信息，不显示平均值：
+
+`mbw -n 3 -q -a 512`
+
+- 以 512MB 大小运行 3 次内存复制测试，仅输出统计信息：
+
+`mbw -n 3 -q -t{{0}} 512`
+
+- 用 1024字节 的块运行10次内存块复制测试，分配 8192MB 内存：
+
+`mbw -n 10 -q -t{{2}} -b 1024 8192`
+
+- 持续 2048MB 大小运行内存字符串复制测试，仅输出统计信息：
+
+`mbw -n 0 -t{{1}} -q 2048`

pages/linux/mbw.md

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+# mbw
+
+> Memory Bandwidth Benchmark.
+> More information: <https://github.com/raas/mbw>.
+
+- Run 3 memory bandwidth tests with 512MB size:
+
+`mbw -n 3 512`
+
+- Run 3 memory bandwidth tests with 512MB memory size, output only statistics, not averages:
+
+`mbw -n 3 -q -a 512`
+
+- Run memcpy test 3 times with 512MB size, only display statistics:
+
+`mbw -n 3 -q -t{{0}} 512`
+
+- Run the memcpy test 10 times with 1024 byte blocks allocated 8192MB of memory:
+
+`mbw -n 10 -q -t{{2}} -b 1024 8192`
+
+- Run dumb test with 2048MB size, output only statistics, run forever:
+
+`mbw -n 0 -t{{1}} -q 2048`