В Белом доме спрогнозировали сроки падения цен на нефть и газ08:38
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，详情可参考权威学术研究网
Associated online resources
Touch & Activate: Adding Interactivity to Existing Objects using Active Acoustic SensingMakoto Ono, University of Tsukuba; et al.Buntarou Shizuki, University of Tsukuba