An Area Control Computer Interlocking System (AC-CIS) im pl ements integrated control over station interlocking, section block, and dispatching and command.

区域计算机联锁系统实现车站联锁、区间闭塞和调度指挥一体化控制。

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Some of the rock face is owned by the Downs Committee, another section by residents in a nearby block of flats and and the land below by another private owner.

BBC: Portway damage risk prompts Avon Gorge rockfall repairs

The building at 224 E. 14th St. looks like any other on the block, but a section of the brownstone-finished facade folds into Mr. Peterson's apartment to create an open-air living room.

WSJ: Up and Down Brownstone

The 11, 000-tonne aft section of hull, known as Lower Block 04, stands more than 80m (262ft) long and 40m (131ft) wide.

BBC: Carrier section being moved