The powers and functions of the federal grand jury differ from those of the federal trial jury, which is called the petitjury.
联邦大陪审团的权力和职能与那些被称作小陪审团的联邦初审陪审团是不同的。
3
The trial or petitjury of 12 persons is used in trials of common law, both criminal and civil, except where the right to a jury trial is waived by consent of all parties at law.