The continuous and reckless use of synthetic chemicals for the control of pests which pose a threat to agricultural crops and human health is proving to be counter-productive.
As long as the counter is positive, control is returned to the user program.
只要计数器是正数，控制器就返回到用户程序。
3
In 2008, WHO introduced the MPOWER package of tobacco control measures to further counter the epidemic and to help countries to implement the WHO Framework Convention. The six MPOWER measures are.