?大陪审团
补充回答： 美国法律规定了三种类型的陪审团： （1） 小陪审团 （Petit juries）；（2） 大陪审团（Grand juries）；（3） 死因调查陪审团（ Coroner''s juries）。
Federal grand juries are sitting at all times in Boston, so Tsaranev would face formal charges from an indictment.
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Rosenbraugh was summoned before several grand juries in connection with ELF activities.
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More than 15 grand juries have investigated him, and one indicted him in 1985, on charges that he illegally handed out hospital permits.
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