The general circular economies believed:DuPont mode and Kalundog mode and DSD mode are the classic.

一般循环经济以杜邦模式、卡伦堡模式和DSD 模式为经典。

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General circular saw, band saw and handsaw etc all can use, also can use portable chainsaw, careful cutting plate is slower, prevent the broken plate.

一般的圆锯，带锯和手锯等都可以运用，还可以用便携式电锯，留神裁剪板材的是要要慢，防止弄坏板材。

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In general, circular references are considered undesirable because they introduce complexity and tight coupling.

通常，都不希望出现循环引用，因为它们引入了复杂性和强耦合性。

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China's media regulator, the General Administration of Press, Publication, Radio, Film and Television, has issued a circular banning journalists from quoting foreign media or websites and newsmakers without "prior verification", Xinhua news agency reports.

BBC: China media: Boston victim mourned