名词
中文翻译：初始序数
同义词：
['initial', 'first', 'primary例句：1. In the initial stages of the project', 'we need to focus on the planning and design.（在项目初期阶段，我们需要专注于规划和设计。）']
例句：
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1. In the initial stages of the project, we need to focus on the planning and design.
在项目初期阶段，我们需要专注于规划和设计。
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2. The initial ordinal number is 1.
首字母序数是1。
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3. The initial ordinal numbers are 1, 2, 3, and so on.
首字母序数是1、2、3等。