blocks|key|6303073|text|安装ttf包-古字体。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|6303074|sudo+apt-get+update
sudo+apt-get+install+ttf-ancient-fonts|code-block|syntax|javascript|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|I|8|@]|9|@]|A|$E|F]]]|G|$]]

Install package ttf-ancient-fonts. 

<pre><code>sudo apt-get update
sudo apt-get install ttf-ancient-fonts
</code></pre>

blocks|key|5258722|text|我发现的最全面的字体包是font-noto。安装这个程序总是解决了我遇到的任何字体显示问题：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|5258723|sudo+apt+install+fonts-noto|code-block|syntax|javascript|5258724|然后，重新启动浏览器，一切都将按预期工作。|entityMap^0|C|9|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|Q|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|R|8|@]|D|@]|E|$]]]|M|$]]

The most comprehensive font package I have found is <code>font-noto</code>. Installing this has always fixed whatever font-display issues I was having:

<pre><code>sudo apt install fonts-noto
</code></pre>

Then, restart your browser and everything should work as expected.

blocks|key|5258693|text|为了查看缺少的字符，您需要安装包含这些字符的字体。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5258694|我发现双曲线包含最好的字符范围。|offset|length|5258695|下载压缩文件。|unordered-list-item|5258696|安装两个.ttf字体-如果你双击然后，你应该看到一个字体预览，点击“安装”按钮。|style|CODE|5258697|使用最新版本(8.0.0)，我可以看到狗的符号和披萨的切片符号。|5258698|请参见：|5258699|📷|atomic|5258700|。|entityMap|0|LINK|mutability|MUTABLE|url|http://users.teilar.gr/~g1951d/|1|IMAGE|IMMUTABLE|imageUrl|https://i.stack.imgur.com/cvH6V.png|imageAlt^0|0|3|3|0|0|0|4|4|0|0|0|0|1|1|0^^$0|@$1|2|3|4|5|6|7|18|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|19|8|@]|9|@$D|1A|E|1B|1|1C]]|A|$]]|$1|F|3|G|5|H|7|1D|8|@]|9|@]|A|$]]|$1|I|3|J|5|H|7|1E|8|@$D|1F|E|1G|K|L]]|9|@]|A|$]]|$1|M|3|N|5|6|7|1H|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|1I|8|@]|9|@]|A|$]]|$1|Q|3|R|5|S|7|1J|8|@]|9|@$D|1K|E|1L|1|1M]]|A|$]]|$1|T|3|U|5|6|7|1N|8|@]|9|@]|A|$]]]|V|$W|$5|X|Y|Z|A|$10|11]]|12|$5|13|Y|14|A|$15|16|17|-4]]]]

In order to see the missing characters, you need to install a font which contains them.

I've found that <a href="http://users.teilar.gr/~g1951d/" rel="noreferrer">Symbola</a> contains the best range of characters. 

<ul>
<li>Download the zip file.</li>
<li>Install the two <code>.ttf</code> fonts - if you double click on then, you should see a font preview, click the "Install" button.</li>
</ul>

With the latest version (8.0.0) I'm able to see the dog symbol and the slice of pizza symbol .

See: <a href="https://i.stack.imgur.com/cvH6V.png" rel="noreferrer"><img src="https://i.stack.imgur.com/cvH6V.png" alt="enter image description here"></a>.

blocks|key|5258744|text|通过安装以下软件包，我设法解决了Linux上出现的无法识别的字符问题：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5258745|apt-get+install+xfonts-unifont+ttf-unifont|offset|length|style|CODE|5258746|(上面的命令假设是Debian系统，对于其他发行版，您可能需要使用另一个包管理器和/或特定的包名)。|entityMap^0|0|0|16|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@$D|M|E|N|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|O|8|@]|9|@]|A|$]]]|J|$]]

I managed to fix the unrecognized characters issue I was having on Linux by installing the following packages:

<code>apt-get install xfonts-unifont ttf-unifont</code>

(The above command assume a Debian system, for other distributions you may need to use another package manager and/or specific package names).

blocks|key|6303165|text|对我来说，安装fonts-noto-cjk、fonts-noto-color-emoji、fonts-noto-core、fonts-noto-extra、fonts-noto-mono和fonts-noto-ui-core安装了缺失的字符。这些字体具有很大的unicode覆盖率。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|entityMap^0|7|E|M|M|19|F|1P|G|26|F|2M|I^^$0|@$1|2|3|4|5|6|7|G|8|@$9|H|A|I|B|C]|$9|J|A|K|B|C]|$9|L|A|M|B|C]|$9|N|A|O|B|C]|$9|P|A|Q|B|C]|$9|R|A|S|B|C]]|D|@]|E|$]]]|F|$]]

For me, installing the <code>fonts-noto-cjk</code>, <code>fonts-noto-color-emoji</code>, <code>fonts-noto-core</code>, <code>fonts-noto-extra</code>, <code>fonts-noto-mono</code> and <code>fonts-noto-ui-core</code> installed the missing characters. Those fonts have a large unicode coverage.

blocks|key|5258558|text|我试图查看我的计算机上的字符(见符号和符号)。在搜索窗口中输入Unicode代码。看起来所提到的符号还没有呈现(这些字符在补充的多语言平面中)。另见http://www.ltg.ed.ac.uk/~richard/unicode-sample-3-2.html。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|5258559|在https://bugzilla.gnome.org/enter_bug.cgi?product=gucharmap中创建一个bug|5258560|📷|atomic|entityMap|0|LINK|mutability|MUTABLE|url|http://www.ltg.ed.ac.uk/~richard/unicode-sample-3-2.html|1|https://bugzilla.gnome.org/enter_bug.cgi?product=gucharmap|2|IMAGE|IMMUTABLE|imageUrl|https://i.stack.imgur.com/qjFAg.jpg|imageAlt^0|22|1K|0|0|1|1M|1|0|0|1|2^^$0|@$1|2|3|4|5|6|7|X|8|@]|9|@$A|Y|B|Z|1|10]]|C|$]]|$1|D|3|E|5|6|7|11|8|@]|9|@$A|12|B|13|1|14]]|C|$]]|$1|F|3|G|5|H|7|15|8|@]|9|@$A|16|B|17|1|18]]|C|$]]]|I|$J|$5|K|L|M|C|$N|O]]|P|$5|K|L|M|C|$N|Q]]|R|$5|S|L|T|C|$U|V|W|-4]]]]

I tried to view the characters on my computer (See signs and symbols). Enter the Unicode-code in the search-window. It looks that the symbols mentioned are not rendered yet (These characters are in the Supplementary Multilingual Plane). See also <a href="http://www.ltg.ed.ac.uk/~richard/unicode-sample-3-2.html" rel="nofollow noreferrer">http://www.ltg.ed.ac.uk/~richard/unicode-sample-3-2.html</a>.

File a bug in <a href="https://bugzilla.gnome.org/enter_bug.cgi?product=gucharmap" rel="nofollow noreferrer">https://bugzilla.gnome.org/enter_bug.cgi?product=gucharmap</a><a href="https://i.stack.imgur.com/qjFAg.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/qjFAg.jpg" alt="enter image description here"></a>

blocks|key|6303187|text|龙胆字体应该涵盖所有内容。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|6303188|基本上有两个主要包：fonts-sil-gentium和fonts-sil-gentiumplus。|style|CODE|entityMap|0|LINK|mutability|MUTABLE|url|https://en.wikipedia.org/wiki/Gentium^0|0|2|0|0|A|H|S|L^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@$A|P|B|Q|1|R]]|C|$]]|$1|D|3|E|5|6|7|S|8|@$A|T|B|U|F|G]|$A|V|B|W|F|G]]|9|@]|C|$]]]|H|$I|$5|J|K|L|C|$M|N]]]]

<a href="https://en.wikipedia.org/wiki/Gentium" rel="nofollow noreferrer">Gentium</a> fonts should cover everything.
There are basically 2 main packages <code>fonts-sil-gentium</code> and <code>fonts-sil-gentiumplus</code>

I have tried Firefox and Chrome and on Ubuntu 14.04 LTS, and there seems to be a sizeable chunk of Unicode characters that I cannot render.

<a href="https://codepoints.net/U+1F415" rel="noreferrer">Here</a> is one example, and <a href="https://codepoints.net/U+1F355" rel="noreferrer">here</a> is another example.

What is the best course of action to diagnose the root cause and fix the missing characters?

How do I resolve missing characters in my unicode font?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我尝试过Firefox和Chrome以及Ubuntu14.04LTS，似乎有相当一部分Unicode字符我无法渲染。这里是一个例子，这里是另一个例子。诊断根本原因和修复缺失字符的最佳行动路线是什么？

问如何解决unicode字体中缺少的字符？
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