It supplies the account formulas and partial circuits parameters of the threshold value for adjusting and setting-up logic level. It makes logical level boundary clear and well-judged.

给出了调节设定逻辑电平阈值的计算公式和部分电路参数，使逻辑电平界限清楚，判断确切。

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Kean told CNN's "American Morning" that commission members want to clear up discrepancies between Rice's private account to the commission and Clarke's testimony.

CNN: Rice may testify before 9/11 panel by next week

Ms Perchard added that some people with a basic current account had to wait up to 10 days for cheques to clear and were hit with harsh penalties if there was not enough money in the account to pay direct debits.

BBC: A cheque being written