1) delinquency group
不良群体
1.
How to prevent Juveniles from forming delinquency groups and r educe their social damage has been a problem concerned bythe teaching sta ff and social workers recently.
预防青少年不良群体的形成以及减少他们对社会的危害 ,一直以来都是教育工作者和社会工作者所关注的问题。
2) group negative issues
群体不良事件
1.
Thinking about group negative issues in college from the angle of psychology;
对高校群体不良事件的心理学思考
5) population improvement
群体改良
1.
The population improvement is one of the maize breeding important strategies.
玉米群体改良是玉米育种的重要手段之一。
6) adverse soil mass
不良土体
1.
The geological property of the adverse soil mass such as expansive oil , soft organic clay and silty and fine sand along the pipeline route is studied and analyzed.
介绍了忠县——武汉输气管道在江汉平原段沿线的自然地理概况,研究了江汉平原管道沿线的膨胀土、淤泥类土和粉细砂等不良土体的工程地质特性,统计分析了这些不良土体的工程参数。
补充资料：群体
见社会群体。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条