英语科技文选

<div> <p>科技英语中的长难句结构常见，主要体现在以下几个方面：</p> <ul> <li><strong>从句嵌套：</strong>科技英语中常出现多个从句嵌套的情况，使得句子变得复杂。</li> <li><strong>非限定性定语从句：</strong>用于提供额外信息，但不影响主句的意思。</li> <li><strong>并列结构：</strong>通过并列连词连接多个并列成分，使得句子长度增加。</li> </ul> <p><strong>例题说明：</strong></p> <p>例1: <span style="font-family: 'Courier New', Courier, monospace;">The device, which has been tested in various environments, is expected to perform well under extreme conditions.</span></p> <p>解析：此句包含一个非限定性定语从句 <span style="font-family: 'Courier New', Courier, monospace;">which has been tested in various environments</span>，提供了额外信息。</p> <p>例2: <span style="font-family: 'Courier New', Courier, monospace;">Scientists have found that the protein, which is produced by the gene, plays a crucial role in cell division and growth, and this understanding could lead to new treatments for cancer.</span></p> <p>解析：此句包含了两个从句：<br> <span style="font-family: 'Courier New', Courier, monospace;">that the protein plays a crucial role in cell division and growth</span><br> <span style="font-family: 'Courier New', Courier, monospace;">which is produced by the gene</span><br> 并且还包含了一个并列结构 <span style="font-family: 'Courier New', Courier, monospace;">plays a crucial role in cell division and growth, and this understanding could lead to new treatments for cancer</span>。 </p> </div>

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