The summit brought together representatives of civil aviation authorities, ground-based and in-situ observation experts, modellers and satellite remote-sensing experts.
此次峰会汇集了民用航空权利机构的代表，地面和现场观测的专家，建模和卫星遥感专家。
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Workers clean the observation platform of the Shanghai World Financial Center in Pudong district of Shanghai, 474 m (1, 555 ft) above ground level.