---
title: "第 15 课 · 低音 G：中央 C 下方的地带 · Piakno"
description: "认出 G3，低音谱表上半区不再靠数"
url: "https://piakno.com/zh-Hans/course/piano-foundations/lesson/15"
lang: "zh-Hans"
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  zh-Hans: "https://piakno.com/zh-Hans/course/piano-foundations/lesson/15.md"
  zh-Hant: "https://piakno.com/zh-Hant/course/piano-foundations/lesson/15.md"
  ja: "https://piakno.com/ja/course/piano-foundations/lesson/15.md"
  ko: "https://piakno.com/ko/course/piano-foundations/lesson/15.md"
  es: "https://piakno.com/es/course/piano-foundations/lesson/15.md"
  de: "https://piakno.com/de/course/piano-foundations/lesson/15.md"
  pt-BR: "https://piakno.com/pt-BR/course/piano-foundations/lesson/15.md"
---

# 低音 G：中央 C 下方的地带

> 认出 G3，低音谱表上半区不再靠数

- [零基础钢琴乐理主线课](https://piakno.com/zh-Hans/course/piano-foundations)
- [上一课 · 低音 A 与拍号](https://piakno.com/zh-Hans/course/piano-foundations/lesson/14)
- [下一课 · 中央 F 与连奏](https://piakno.com/zh-Hans/course/piano-foundations/lesson/16)