The corresponding dynamics equation model of HIV/AIDS was given based on the popular situation of HIV/AIDS in recent years. We studied the stability of the equilibrium point, discussed the threshold of epidemic, and c...The corresponding dynamics equation model of HIV/AIDS was given based on the popular situation of HIV/AIDS in recent years. We studied the stability of the equilibrium point, discussed the threshold of epidemic, and carried on the numerical simulation based on the different persuade rate P, the different disease mortality α and the different infection rate β. The HIV/AIDS epidemic disease can pop in city at R0 > 1. We suggested that more persuade should be increased in addition to strengthening routine work according to the characteristics of R0 in the prevented and the controlled work of HIV/AIDS, which could more effectively reduce the number of HIV/AIDS patients. It provided the theoretical guidance, the beneficial reference on the prevented and the controlled work of HIV/AIDS.展开更多
《英语知识》1996年第7期第67页有这样一道选择题:We ____ him not to do that,but he didn’t ____.A.persuaded;listen B.advised;obeyC.suggested;listen D.proposed;hear所给答案是 A。笔者认为,这道选择题值得商榷。《英汉大词典》...《英语知识》1996年第7期第67页有这样一道选择题:We ____ him not to do that,but he didn’t ____.A.persuaded;listen B.advised;obeyC.suggested;listen D.proposed;hear所给答案是 A。笔者认为,这道选择题值得商榷。《英汉大词典》对 persuade 的解释是:说服、劝服;通过劝说而获得。They persuaded me to go with them.他们说服了我一起去。陈锡麟编著《英语常用词用法例解》说:persuade 必须是“说服”。展开更多
文摘The corresponding dynamics equation model of HIV/AIDS was given based on the popular situation of HIV/AIDS in recent years. We studied the stability of the equilibrium point, discussed the threshold of epidemic, and carried on the numerical simulation based on the different persuade rate P, the different disease mortality α and the different infection rate β. The HIV/AIDS epidemic disease can pop in city at R0 > 1. We suggested that more persuade should be increased in addition to strengthening routine work according to the characteristics of R0 in the prevented and the controlled work of HIV/AIDS, which could more effectively reduce the number of HIV/AIDS patients. It provided the theoretical guidance, the beneficial reference on the prevented and the controlled work of HIV/AIDS.
文摘《英语知识》1996年第7期第67页有这样一道选择题:We ____ him not to do that,but he didn’t ____.A.persuaded;listen B.advised;obeyC.suggested;listen D.proposed;hear所给答案是 A。笔者认为,这道选择题值得商榷。《英汉大词典》对 persuade 的解释是:说服、劝服;通过劝说而获得。They persuaded me to go with them.他们说服了我一起去。陈锡麟编著《英语常用词用法例解》说:persuade 必须是“说服”。