Based on sandblast working principle and structure characters of blast gun, free jet model was developed in eject sect.
根据喷砂工作原理和喷枪结构特征建立了引射段的自由射流模型。
Based on sandblast working principle and structural characters of blast gun, free jet model was developed in eject sect.
根据喷砂工作原理和喷枪结构特征建立了引射段的自由射流模型。
NCBI BLAST was created by a group of researchers working for the National Institutes of Health, a division of the United States Department of Health and Human Services.
NCBI BLAST是由工作在国家卫生研究所的一组研究员创建的,那是美国卫生和人类服务部的一个部门。
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