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ultra造句
271) Because of its ultra - fine crystal structure and high refractive index, it make color more abundance satiation. 272) The characters of new steels are high cleanliness , high homogeneity, ultra - fine grained and alloyed. 273) Multilateral initiatives are undermined or diluted by ultra - nationalist, bilateral and regional initiatives. 274) The technology of surface topography modeling and simulation for ultra - precision diamond turning . 275) The manual welding welded joint inoxidizability surpasses the ultra narrow gap welding joint. 276) This paper studies some contents of Ultra - wideband ( UWB ) wireless signal coexistence problem. 277) The storm tide causes Guangzhou tide level to stand the comprehensive ultra warning water level. 278) In addition, the ultra high roller wire also increases the difficulty of cleaning roller. 279) Studies an ultra - wide band ( UWB ) time of arrival ( TOA ) estimation technique in dense indoor multipath environments.