在双底或3重底的底部以后开始金字塔加码。

Pyramids should be started after double or triple bottoms.

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右无名动脉对脑底供血十分重要。

The right innominate artery is very important for the blood supply of the pavimentum cerebri.

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Jaffe和他的同事建立了一个类型的宇宙，其中底夸克比顶夸克轻，而质子比中子重1%。

Jaffe and his colleagues modeled one family of universes in which the down quark was lighter than the up quark, and protons were up to a percent heavier than neutrons.

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