Xiamen New railway Station is an important passenger depot in the "four vertical and four horizontal" system of the national railway network.

厦门火车新站是国家铁路网规划中“四纵四横”沿海快速铁路的一个重要客运站。

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Rather than using rubber hoses to connect the stationary and moving parts of the building, 3sixty's ingenious plumbing system employs horizontal ring-shaped pipes made of steel.

ECONOMIST: Monitor

Within our system of horizontal federalism and separation of powers at the federal (and, separately, the state) level, courts do not have the power to enforce their judgments in the trenches.

FORBES: When Technology Disrupts Enforcement of Judicial Decisions

That is similar to the way the human visual system works, with particular clusters of nerve cells in the brain adapted to respond to, say, horizontal lines, or to lines that run on diagonals.

ECONOMIST: Machine vision: Seeing is believing | The