<p><img data-media-id="2947" data-media-type="image" src="https://cdn.api.vizcms.cn/sites/default/files/group/187/images/201906/1…; width="100%" height="auto"/>

<p><img data-media-id="2943" data-media-type="image" src="https://cdn.api.vizcms.cn/sites/default/files/group/187/images/201906/1…; width="100%" height="auto"/>

<p><img data-media-id="2949" data-media-type="image" src="https://cdn.api.vizcms.cn/sites/default/files/group/187/images/202408/1…; width="100%" height="auto"/>

<p><span style="color: rgb(0, 0, 0);"></span></p><p><img data-media-id="2944" data-media-type="image" src="https://cdn.api.vizcms.cn/sites/default/files/group/187/images/201906/1…; width="100%" height="auto"/>

<p><span style="color: rgb(0, 0, 0);"></span></p><p><img data-media-id="2950" data-media-type="image" src="https://cdn.api.vizcms.cn/sites/default/files/group/187/images/201906/1…; width="100%" height="auto"/>

<p><img data-media-id="2945" data-media-type="image" src="https://cdn.api.vizcms.cn/sites/default/files/group/187/images/201906/1…; width="100%" height="auto"/>

<p><img data-media-id="2955" data-media-type="image" src="https://cdn.api.vizcms.cn/sites/default/files/group/187/images/201906/1…; width="100%" height="auto"/>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</p><p>◆0ppm~5000ppm</p><p>◆采用扩散式设计</p><p>◆测量气体中二氧化碳含量</p>

<p><img data-media-id="21469" data-media-type="image" src="https://cdn.api.vizcms.cn/sites/default/files/group/187/images/202408/1…; width="100%" height="auto"/>

<p><img data-media-id="2948" data-media-type="image" src="https://cdn.api.vizcms.cn/sites/default/files/group/187/images/201906/1…; width="100%" height="auto"/>

<p>教育层面的马太效应，正在显现。在世界范围内，读书渐渐变得不再穷人翻身的渠道，反而成为了高层阶级自我复制与再生的工具&nbsp;。</p>