经过测算，研究者所能提供的唯一的好消息是该地如此强力的地震平均每4000年发生一次。
The only good news was that according to the researchers’ calculations this type of barrier-busting quake should occur in this zone on average only once every 4,000 years.
经过透析和冷冻干燥、可用免疫学方法测算。
After dialysis and lyophilization, it can be detected by immunological methods.
经过反复测算，依靠光伏发电装置，建筑本身正常运转无需借助于外部供电。
After repeated calculations, relying on photovoltaic power generation devices, the building itself without the help of external power supply.
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