a The chapters on food safety control focus on a how control institutions work at the national and international levels a how control is carried out in practice (through sampling and analysis). how enforcement measures can be implemented 在控制方面,涉及如何控制国际、国内的公共机构的 工作,实际操作中如何控制(如采样和分析),以及 如何实施强制措施。◼ The chapters on food safety control focus on : ◼ how control institutions work at the national and international levels, ◼ how control is carried out in practice (through sampling and analysis), ◼ how enforcement measures can be implemented. 在控制方面，涉及如何控制国际、国内的公共机构的 工作，实际操作中如何控制（如采样和分析），以及 如何实施强制措施