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to follow (a rule, precedent, style, etc.); to conform to; to be in accordance with
法律に則って正式な手続きを進める必要がある。
Formal procedures must follow the law.
伝統に則った儀式が毎年この神社で行われる。
A ceremony following tradition is held at this shrine every year.
規則に則って公平に審査が行われた。
The review was conducted fairly in accordance with the rules.