The records provide a guide for timing control measure . 这些记录可作为适时采取防治措施的指南。
The public insist that pollution control measures be installed . 公众坚决主张采取控制污染的措施。
At topeka, kansas, he sketched the outline of a crop control measure . 他在堪萨斯州的托皮卡勾画出农作物控制法的轮廓。
Specialized avian pathologists have evolved to guide the course of health control measures . 现在已有受过专门训练的禽病理学家来指导保健措施的进行。
Control measures based on the cause of the problem may include slaughter quarantine, environmental sanitation, and immunization . 根据流行病的发生原因而采取的控制措施包括屠宰、检疫、环境卫生及免疫接种。