《淮南子·天文训》
经过十五天斗柄指向卯辰，与卯酉纬线相合，故这是春分而雷鸣发生，音律配蕤宾。
加十五日指卯中绳，放曰春分则雷行，音比蕤宾。
After 15 days, the handle of the Dipper points to the卯辰(mao-chen) area, which corresponds with the卯酉(mao-you) celestial line, so it is the vernal equinox, the time of thunder and lightning, and the corresponding musical note is the runguo.
<s>[INST] For the Classical Chinese excerpt: 加十五日指卯中绳，放曰春分则雷行，音比蕤宾。, detail the steps needed to accurately translate it into English. [/INST]
**Step 1: Identify the grammatical structure of each clause.**
The sentence consists of three clauses:
- 加十五日指卯中绳
- 放曰春分则雷行
- 音比蕤宾
**Step 2: Translate each clause into English, paying attention to the nuances of the grammar.**
- 加十五日指卯中绳: After 15 days, the handle of the Dipper points to the卯辰(mao-chen) area, which corresponds with the卯酉(mao-you) celestial line,
- 放曰春分则雷行: so it is the vernal equinox, the time of thunder and lightning,
- 音比蕤宾: and the corresponding musical note is the runguo.
**Step 3: Combine the translations of the clauses into a single, coherent sentence in English.**
After 15 days, the handle of the Dipper points to the卯辰(mao-chen) area, which corresponds with the卯酉(mao-you) celestial line, so it is the vernal equinox, the time of thunder and lightning, and the corresponding musical note is the runguo.</s>
For the Classical Chinese excerpt: 加十五日指卯中绳，放曰春分则雷行，音比蕤宾。, detail the steps needed to accurately translate it into English.
user
**Step 1: Identify the grammatical structure of each clause.**
The sentence consists of three clauses:
- 加十五日指卯中绳
- 放曰春分则雷行
- 音比蕤宾
**Step 2: Translate each clause into English, paying attention to the nuances of the grammar.**
- 加十五日指卯中绳: After 15 days, the handle of the Dipper points to the卯辰(mao-chen) area, which corresponds with the卯酉(mao-you) celestial line,
- 放曰春分则雷行: so it is the vernal equinox, the time of thunder and lightning,
- 音比蕤宾: and the corresponding musical note is the runguo.
**Step 3: Combine the translations of the clauses into a single, coherent sentence in English.**
After 15 days, the handle of the Dipper points to the卯辰(mao-chen) area, which corresponds with the卯酉(mao-you) celestial line, so it is the vernal equinox, the time of thunder and lightning, and the corresponding musical note is the runguo.
assistant