《吕氏春秋·纪·季夏纪》
天气、地气会合产生的风纯正，十二律就确定了。
天地之风气正，则十二律定矣。
The weather and the earth's atmosphere meet and the winds are pure, so the twelve laws are confirmed.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 天地之风气正，则十二律定矣。 [/INST] The weather and the earth's atmosphere meet and the winds are pure, so the twelve laws are confirmed.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 天地之风气正，则十二律定矣。
user
The weather and the earth's atmosphere meet and the winds are pure, so the twelve laws are confirmed.
assistant