一个有效的工业卫生计划必须能够防止员工接触即刻反应的有害因素，以及在接触之后的长时间内才引发的疾病。
An effective industrial hygiene program must be able to prevent the harmful factors of employee contact immediate response, and long time after exposure in diseases.
当这次事件发生时，我们的反应必须是即刻、全面和有效的。
When this event occurs, our response has got to be immediate, comprehensive and effective.
其中一个人向另一个解释，“蛤蚌毒素和配糖混合物能即刻在血液中发生反应，”他的手摆弄着身前的烧杯。
One man explains, "This glycoside saxitoxin hybrid goes to work in the blood stream instantly, " as his hand moves across the beakers before him.
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