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<?xml version="1.0" encoding="utf-8"?>
<page xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its" type="topic" style="task" id="look-resolution" xml:lang="zh-CN">
<info>
<link type="guide" xref="prefs-display"/>
<link type="seealso" xref="look-display-fuzzy"/>
<revision pkgversion="3.8.0" version="0.3" date="2013-03-09" status="candidate"/>
<revision pkgversion="3.10" date="2013-11-07" status="review"/>
<revision pkgversion="3.13.92" date="2014-09-22" status="candidate"/>
<revision pkgversion="3.28" date="2018-07-19" status="review"/>
<revision pkgversion="3.33" date="2019-07-19" status="candidate"/>
<revision pkgversion="3.34" date="2019-11-12" status="review"/>
<credit type="author">
<name>GNOME 文档项目</name>
<email>gnome-doc-list@gnome.org</email>
</credit>
<credit type="author">
<name>Natalia Ruz Leiva</name>
<email>nruz@alumnos.inf.utfsm.cl </email>
</credit>
<credit type="editor">
<name>Michael Hill</name>
<email>mdhillca@gmail.com</email>
</credit>
<credit type="editor">
<name>Shobha Tyagi</name>
<email>tyagishobha@gmail.com</email>
</credit>
<credit type="editor">
<name>Ekaterina Gerasimova</name>
<email>kittykat3756@gmail.com</email>
</credit>
<include xmlns="http://www.w3.org/2001/XInclude" href="legal.xml"/>
<desc>更改屏幕分辨率和方向(旋转)。</desc>
<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
<mal:name>TeliuTe</mal:name>
<mal:email>teliute@163.com</mal:email>
<mal:years>2011, 2012</mal:years>
</mal:credit>
</info>
<title>Change the resolution or orientation of the screen</title>
<p>您可以在<em>屏幕分辨率</em>中，更改屏幕上对象的大小(或细致程度)。可以在<em>旋转</em>中，设置对象出现的方向(例如，您旋转了屏幕显示)。</p>
<steps>
<item>
<p>Open the <gui xref="shell-introduction#activities">Activities</gui> overview and
start typing <gui>Displays</gui>.</p>
</item>
<item>
<p>Click <gui>Displays</gui> to open the panel.</p>
</item>
<item>
<p>If you have multiple displays and they are not mirrored, you can have
different settings on each display. Select a display in the preview
area.</p>
</item>
<item>
<p>Select the orientation, resolution or scale, and refresh rate.</p>
</item>
<item>
<p>Click <gui>Apply</gui>. The new settings will be applied for 20
seconds before reverting back. That way, if you cannot see anything with
the new settings, your old settings will be automatically restored. If
you are happy with the new settings, click <gui>Keep Changes</gui>.</p>
</item>
</steps>
<section id="resolution">
<title>分辨率</title>
<p>The resolution is the number of pixels (dots on the screen) in each
direction that can be displayed. Each resolution has an <em>aspect
ratio</em>, the ratio of the width to the height. Wide-screen displays use a
16∶9 aspect ratio, while traditional displays use 4∶3. If you choose a
resolution that does not match the aspect ratio of your display, the screen
will be letterboxed to avoid distortion, by adding black bars to the top and
bottom or both sides of the screen.</p>
<p>您可以在<gui>分辨率</gui>下拉列表中选择分辨率。如果选择错误，屏幕会变得<link xref="look-display-fuzzy">看着很模糊或花屏</link>。</p>
</section>
<section id="native">
<title>Native Resolution</title>
<p>The <em>native resolution</em> of a laptop screen or LCD monitor is the
one that works best: the pixels in the video signal will line up precisely
with the pixels on the screen. When the screen is required to show other
resolutions, interpolation is necessary to represent the pixels, causing a
loss of image quality.</p>
</section>
<section id="refresh">
<title>Refresh Rate</title>
<p>The refresh rate is the number of times per second the screen image is
drawn, or refreshed.</p>
</section>
<section id="scale">
<title>Scale</title>
<p>The scale setting increases the size of objects shown on the screen to
match the density of your display, making them easier to read. Choose
<gui>100%</gui> or <gui>200%</gui>.</p>
</section>
<section id="orientation">
<title>Orientation</title>
<p>On some devices, you can physically rotate the screen in many directions.
Click <gui>Orientation</gui> in the panel and choose from
<gui>Landscape</gui>, <gui>Portrait Right</gui>, <gui>Portrait Left</gui>, or
<gui>Landscape (flipped)</gui>.</p>
<note style="tip">
<p>If your device rotates the screen automatically, you can lock the current
rotation using the
<media its:translate="no" type="image" src="figures/rotation-locked-symbolic.svg"><span its:translate="yes">rotation lock</span></media> button at the bottom of the <gui xref="shell-introduction#systemmenu">system menu</gui>. To unlock, press the
<media its:translate="no" type="image" src="figures/rotation-allowed-symbolic.svg"><span its:translate="yes">rotation unlock</span></media> button</p>
</note>
</section>
</page>
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