They blocked roads, set up 25-mile human barriers, and enforced parking control orders over a wide area.

他们封锁道路，负责架设长达25英里的人体屏障，并在一个广阔的区域内实施停车管制令。

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Out of the box, the appliance is set to let all traffic pass, leaving the user to specify which types of traffic are blocked (via packet filtering).

盒子之外，设备被设为允许任何流量通过，让用户指定阻塞哪些流量(通过包过滤)。

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If the pointer for an overlapped operation is set to NULL, DeviceIoControl will work in a blocked (synchronous) way.

如果重叠操作的指针设为NULL，那么DeviceIoControl将以阻塞(同步)方式工作。

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Police on the scene would not confirm why they had blocked a few roads and set up a crime scene in the area of brick, single-family homes.

NPR: Miss. Man Accused Of Sending Letters With Ricin

The ring road around the western city of Caen was also blocked, and more barricades were set up near the northern port of Le Havre, and at a key entry point to the motorway from the north to Paris.

BBC: French blockades herald travel chaos

The husband of actress Kate Winslet has successfully blocked the Sun newspaper from publishing a set of "embarrassing" photos of him at a fancy-dress party.

BBC: Kate Winslet's husband Ned RocknRoll blocks Sun photos