V2EX step-down

Step-Down

定义 Definition

step-down(名词/形容词)指“逐级降低的、降压的”,常用于电工电子语境,如 step-down transformer/regulator(降压变压器/降压稳压器);也可指“降低级别/强度”或“(职位、权力)下调、退位/辞职”(语境决定具体含义)。

发音 Pronunciation

/stepdan/

例句 Examples

This adapter is a step-down transformer.
这个适配器是一个降压变压器。

After the merger, she accepted a step-down role to reduce stress and focus on her family.
合并之后,她接受了一个降级的职位,以减轻压力并把重心放在家庭上。

词源 Etymology

step(“步、逐步”)+ down(“向下、降低”)组合而成,字面意思是“一步步往下”。因此既能用于描述电压、等级等“逐级下降”,也能引申到职位、权力或强度的“下调/退让”。

相关词 Related Words

文学与作品 Literary Works

  • The Art of Electronics(Horowitz & Hill)常见于“step-down regulator/step-down converter”等降压电源相关内容
  • Practical Electronics for Inventors(Scherz & Monk)涉及“step-down transformer”等基础电路与电源应用
  • Make: Electronics(Charles Platt)在电源与元件应用讲解中会出现“step-down”相关术语
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