According to the author's experience in the control of cotton aphids.the systemic insecticidal action of Systox was different when it was applied at different times of the day.
正>在与贫下中农一1059(吸磷)防治棉蚜的多次生产实中作者曾经注意到,一天之间喷药,药效有差异,傍晚喷药药效较好。
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Central Nervous System The CNS represents the largest part of the nervous system. It regulates organ function, higher thought, and movement of the body. Together, with the PNS, it has a fundamental role in the control of behavior.
2、中枢神经系统 ;中枢神经系统是神系统最大部分,它调节器官功能、高级思维和身体运动,和PNS一起控制行为方面具有重要作用。