conclusion the environmental modification project is one of measures that can effectively control snail and interrupt the transmission of schistosomiasis in endemic area.
结论环改工程是消灭钉螺、阻断传播的一种长效灭螺措施。
it is indicated that the environmental modification combined with mollusciciding is an effective approach for snail control so as to control the transmission of schistosomiasis.
环境改造结合药物综合灭螺是控制和阻断血吸虫病流行的有效措施。
phenotypic plasticity is the environmental modification of genotypic expression and an important means by which individual plants respond to environmental heterogeneity.