该规则对鸡蛋生产必须执行的强制控制措施作出了多项完善规定，但在要求蛋鸡接种问题上却没有直接规定。
The rule has many good provisions mandating control measures that producers must take, but it shied away from requiring that hens be vaccinated.
尽管菲律宾的人口控制措施从未达到印度那样的强制性水平，但这些措施并不受欢迎。
Although population-control measures in the Philippines never reached the coercive levels they did in India, they were not popular.
它是强制访问控制的一种形式。
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