Although in the early stages, the ITS market, especially that related to city traffic management, has been a revenue generator for a handful of companies.
虽然还在早期阶段，但是智能交通市场特别是有关城市交通管理，一直是某些公司的收入来源之一。
Fault features based on pattern spectrum were presented for analyzing tiny changes of energy and waveform of generator sets vibration and reflecting the trend of early faults.
为了分析发电机组振动信号在能量和波形方面的细小变化，从而反映发电机组的早期故障趋势，提出了基于数学形态谱的故障特征量。
In the early 1970s, the most advanced facility on the island was a wind-driven generator.
上个世纪70年代初期，岛上最先进的设施就是一部风力发电机。
In the early 1970s, the most advanced facility on the island was a wind-driven generator.
上个世纪70年代初期，岛上最先进的设施就是一部风力发电机。
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