For transport, power grids and buildings to become more efficient, there must be rules on how, for instance, refrigerators should talk to electricity meters, and thermostats to heating systems.
要让交通、电网和建筑更加高效，必须制定规则，规定如何，比如，让冰箱和恒温器更节能。
Such melting from below is particularly efficient since the temperature at the ice-ocean interface is fixed by the phase equilibrium that must be maintained there.
海冰交接面上的相平衡*1保证了那里的温度稳定不变，这就使得这种由下而上的融化尤为高效。
In order to meet the screw air compressor operation of the energy saving, there must be an efficient change speed motor drive.
为了满足螺杆空压机运行中的节能，必须有一种高效率变转速的驱动电机。
In everyday life we could not function at all without it. In its own field it must be efficient but there is a state of mind where it has very little place.
缺少了它，日常生活几乎无法进行，它在自己的领域内，必须发挥功效，但是在某一种心智状态中，它是没有什么容身之地的。
In everyday life we could not function at all without it. In its own field it must be efficient but there is a state of mind where it has very little place.
缺少了它，日常生活几乎无法进行，它在自己的领域内，必须发挥功效，但是在某一种心智状态中，它是没有什么容身之地的。
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