安全范围是指药物的最大有效量与最小中毒量之间的范围。
定义安全范围。
对发达国家而言，公债的GDP占比不超过60%是危机前公认的安全范围。
Prior to the crisis the general consensus was that rich countries could safely have public debts worth 60% of GDP.
公司称他们的低能量密度激光和一系列防护措施能保证暴露在其中的人体处于安全范围之内。
The firm says the low power-density of its lasers and a series of safeguards ensures that human exposure remains within regulatory limits.
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