zh-CN: translate credits (#867)

Part of #324.

po/zh-CN.po

@@ -17659,7 +17659,7 @@ msgstr ""
 
 #: src/credits.md:1
 msgid "# Credits"
-msgstr ""
+msgstr "# 鸣谢"
 
 #: src/credits.md:3
 msgid ""
@@ -17669,6 +17669,9 @@ msgid ""
 "useful\n"
 "resources."
 msgstr ""
+"本课中的资料以众多优秀的 Rust 文档资源为基础。\n"
+"如需查看实用资源的完整列表，\n"
+"请参阅关于[其他资源](other-resources.md)的页面。"
 
 #: src/credits.md:7
 msgid ""
@@ -17676,10 +17679,13 @@ msgid ""
 "2.0\n"
 "license, please see [`LICENSE`](../LICENSE) for details."
 msgstr ""
+"我们根据 Apache 2.0 许可条款\n"
+"授权你使用“全面了解 Rust”(Comprehensive Rust) 的资料。如需了解详情，请参阅[`"
+"许可`](../LICENSE)。"
 
 #: src/credits.md:10
 msgid "## Rust by Example"
-msgstr ""
+msgstr "## Rust by Example"
 
 #: src/credits.md:12
 msgid ""
@@ -17688,10 +17694,15 @@ msgid ""
 "`third_party/rust-by-example/` directory for details, including the license\n"
 "terms."
 msgstr ""
+"部分示例和练习复制并\n"
+"改编自[Rust by Example](https://doc.rust-lang.org/rust-by-example/)。如需了解"
+"详情（包括许可\n"
+"条款），请参阅\n"
+"`third_party/rust-by-example/` 目录。"
 
 #: src/credits.md:17
 msgid "## Rust on Exercism"
-msgstr ""
+msgstr "## Rust on Exercism"
 
 #: src/credits.md:19
 msgid ""
@@ -17701,10 +17712,15 @@ msgid ""
 "license\n"
 "terms."
 msgstr ""
+"部分练习复制并\n"
+"改编自 [Rust on Exercism](https://exercism.org/tracks/rust)。如需了解详情（包"
+"括许可\n"
+"条款），请参阅\n"
+"`third_party/rust-on-exercism/` 目录。"
 
 #: src/credits.md:24
 msgid "## CXX"
-msgstr ""
+msgstr "## CXX"
 
 #: src/credits.md:26
 msgid ""
@@ -17714,6 +17730,9 @@ msgid ""
 "directory\n"
 "for details, including the license terms."
 msgstr ""
+"“[与 C++ 的互操作性](android/interoperability/cpp.md)”部分引用了一张\n"
+"来自 [CXX](https://cxx.rs/) 的图片。如需了解详情（包括许可条款），\n"
+"请参阅 `third_party/cxx/` 目录。"
 
 #: src/exercises/solutions.md:1
 msgid "# Solutions"