细小: very small; tiny; trivial; micr-; micro-; -ling 短语和例子细小的雨点 small [tiny] raindrops; 细小的声音 a still small voice; 细小的事情 small [trivial; unimportant] matters; 细小的零件 small parts (of a machine);
This study provides the basis evidence for the research of nucleotide sequence evolution relationship between domestic and exterior countries . it also establishes foundation for further research about developing gpv molecular diagnostic reagent and genetic engineering vaccine 本研究为了解国内外鹅细小病毒核苷酸序列演化上的关系，为开发研制新型分子诊断试剂和抗鹅细小病毒感染的基因工程疫苗提供了理论依据。
