secondaryadj.次要的；从属的；中等教育的n.副手；次要位置secondary seta后生刚毛secondary hook副钩secondary body次生体secondary bond副键secondary fuel二次燃料secondary flaw次级瑕secondary host[医] 中间宿主secondary port次等港,副港,次级港secondary pump次级泵secondary verb辅助动词

1. The authors analyze the stress and strain of the reinforced secondary dam and its impervious corewall.
   针对加固后副坝以及防渗墙的应力应变进行了分析研究。