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.

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But the action continued to swing from end to end and Nade was again guilty of being tentative in front of goal, this time finding his close-range effort blocked by Jones after being set up superbly by Lee Wallace.

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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.

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