There was a safety distance of 5 cm out of regular radiation field.

该点距常规盆腔放射照野边缘有5cm的安全距离.

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The human safety distance had been forecasted according to evaluated poison zone caused by chlorine leaking.

并对氯气泄漏后毒害区域的估算,预测了人员的安全疏散距离.

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Safety distance is one of the crucial Methods : To prevent serious accidents caused by dangerous chemical.

安全距离是预防发生危险化学品重特大事故的重要措施之一.

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