This summer one of Mississippi's prisons installed a system known as managed access—the first such installation in a mainland American prison, though a prototype has been tested in Puerto Rico.

今年夏天，密西西比州的一家监狱安装了一个叫做“信号门禁”（managed access）的装置。尽管波多黎各已对此装置的雏形进行过实验，但是在美国境内还是首次安装。

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This summer one of Mississippi's prisons installed a system known as managed access-the first such installation in a mainland American prison, though a prototype has been tested in Puerto Rico.

今年夏天，密西西比州的一家监狱安装了一个叫做“信号门禁”(managed access)的装置。尽管波多黎各已对此装置的雏形进行过实验，但是在美国境内还是首次安装。

youdao

That spring the Isle of Pines had been sown with dynamite, linked up to the wiring system in the prison, so that any American attempt to rescue the prisoners would blow them to smithereens.

ECONOMIST: Mario Chanes de Armas

Dr. Manheimer wears his bleeding heart on his sleeve, often veering into rants against immigration policy, the North American Free Trade Agreement, the fast-food industry, the prison system, foster care, mental-health treatment programs and the health-care system generally.

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