He bought a new water boiler with a digitally controlled pump, and wrapped insulation around the pipes.

他买了一个带有数字控制泵的新水锅炉，并在管道周围包裹了绝缘材料。

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Some scholars argue that the concentration of water within the urban core of these sites provided a centralized source of political authority for Maya elites based largely on controlled water access.

一些学者认为，集中在这些地点的城市核心区的水资源为玛雅精英提供了一个集中的政治权力来源，而这些权力主要是基于对水资源的控制。

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The distribution of plants within different areas of desert is also controlled by water.

沙漠不同地区的植物分布也被水所控制。

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We saw a number of Electric Imp demos and appliance ideas at the booth including a simple hand-held "detonator" toggle switch with LED, seven-segment counter, water level sensor, servo-controlled gauge, RGB light, power socket, Christmas light, power monitor, toy washing machine, 16x16 LED display and receipt printer (the latter two being combined to show the avatars and tweets of anyone mentioning the Electric Imp) -- all Internet aware.

ENGADGET: Hands-on with the Electric Imp at Maker Faire (video)

Each was given carefully controlled salt-water injections in their jaw muscles to induce pain.

BBC: Gene controls pain threshold

Farming fish close to shore often causes contamination of water and seabeds, so the company has partnered with fish producers to devise a remotely-controlled fish pen that can drift with currents in the open sea.

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