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按照 vs 根据 (in accordance with vs based on)
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Rules and evidence
- A company memo explains how a decision was made.
- according to按照company公司to stipulate规定,based on根据results (of an…调查结果,we / us我们to decide (to do something)决定to cancel取消这次to exercise活动。 — "In accordance with company rules, and based on the survey results, we've decided to cancel the event."
according to按照 = according to (follow a rule or plan)
- according to按照 + rule / plan / order = do something as the rule says: according to按照plan计划, according to按照to stipulate规定, according to按照the order顺序.
- The focus is on following a standard.
please请according to按照the order顺序queue排队。

Complete: “Please queue in order.” 请____顺序排队。
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Following an order or rule = 按照.
based on根据 = based on (evidence or source)
- based on根据 + data / facts / source = draw a conclusion from: based on根据investigation调查, based on根据weather forecast天气预报, based on根据he / him他(modifier / structural particle)的way of speaking说法.
- The focus is on what a judgement rests on.
based on根据the weather天气forecast预报,tomorrow明天there'll be有rain雨。
根据天气预报 means “based on the weather forecast”.
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根据 introduces the source of a judgement.
Follow versus base on
- To follow a rule, plan or order, use according to按照: according to按照plan计划to carry out进行. based on根据to stipulate规定 is also correct, but it justifies a decision: "on the basis of the rules".
- Evidence for a conclusion: based on根据research研究, not according to按照research研究.
“Based on the survey, most students like online classes.” Which fits? ____调查,大多数学生喜欢网课。
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Evidence for a conclusion = 根据.
based on根据 as a noun
- based on根据 can be a noun: "basis, grounds": you你so这么say说there'll be有what什么based on根据? — "What grounds do you have for saying that?"
- according to按照 is only a preposition.
you你so这么say说have有what什么grounds根据?
Build: “What grounds do you have for saying that?”
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根据 as a noun = grounds.
Recap
- according to按照 = according to (follow a rule, plan, order); based on根据 = based on (evidence, data, source).
- based on根据 can also be a noun (grounds); according to按照 cannot.
Read the full reference: HSK 6 grammar — Comparing similar adverbs.
A company memo explains how a decision was made. Close the examples. Say a Mandarin response, then write it in Chinese. Explain briefly in English what the lesson’s pattern adds. Compare with the model, then change one detail and try again.
This is supported productive practice. Compare meaning and structure; your answer need not copy the model. A partner or teacher must hear the spoken response to comment on pronunciation.