Secondly, urban recreation space is a part of urban public space and is composed of recreationally substantial environment space and recreationally behavioralenvironment space;
城市游憩空间是城市公共空间的一部分，是由游憩物质环境空间和游憩行为环境空间构成的；
2
Tthe basic variables of family environment have significant negative relation with the factors of moral and disposition flaw, shrinking back behavior, behavioral hinder in psychological health.
家庭环境基本变量因子与心理健康中情绪、性格缺陷、退缩行为、行为障碍因子存在显著负相关。
3
Additional approaches include using behavioral modification techniques, such as physical exercise and exposure to an enriching environment, that are known to stimulate proliferation of stem cells.