答：工程师并不总是知道医院所在地是否容易发生地震，他们缺乏抗震设计的适当知识。
A: Engineers do not always know how earthquake prone the hospital site is and lack proper knowledge about earthquake-resistant design.
答：海啸通常由地震引起，所以医院必须抗震。
A: Tsunamis are usually caused by earthquakes, so we need to make hospitals resistant to earthquakes.
并根据地震安全性评价的结果，确定抗震设防要求，进行抗震设防。
The requirements for fortification against earthquakes, which shall be drawn up on the basis of the results of seismic safety evaluation, shall be fulfilled.
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