《北史·列传·卷七十七》
查检前代加时的早晚，作为增减的标准。
检前代加时早晚，以为损益之率。
Check the degree of earliness or lateness of the previous period as the criterion for the increment and decrement.
<s>[INST] Convert the following English text into Classical Chinese: Check the degree of earliness or lateness of the previous period as the criterion for the increment and decrement. [/INST] 检前代加时早晚，以为损益之率。</s>
Convert the following English text into Classical Chinese: Check the degree of earliness or lateness of the previous period as the criterion for the increment and decrement.
user
检前代加时早晚，以为损益之率。
assistant