名词
中文翻译：交付速度
同义词：
['transmission speed', 'transmission rate例句：1. The delivery speed of the package is very fast.（这个包裹的投递速度非常快。）']
例句：
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1. The delivery speed of the package is very fast.
这个包裹的投递速度非常快。
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2.The company's delivery speed has improved significantly.
该公司的投递速度有显著提高。
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3.The delivery speed of the new software is much faster than before.
这款新软件的投递速度比以前快得多。