sanitary protective zone 卫生防护地带
safe and health protective zone 安全卫生防护距离
Conditions of Natural Protective Zone 自然保护区情况
protective equipment zone 防护设备区
protective sanitary zone 卫生防护区
Geopark is the key protective zone of the geological vestiges and the ecological environment, and also, is the base of the scientific research and popularization of geological knowledge.
地质公园是地质遗迹景观和生态环境的重点保护区，是地质科学研究与普及的基地。
If these four conditions cannot be fulfilled simultaneously, the control or operating mode selector must activate other protective measures designed and constructed to ensure a safe intervention zone.
如果不能同时满足这四个条件，则控制或操作模式选择器必须使得设计和制造用来确保有安全干预区的其他保护措施起作用。
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