去年夏天这一切都已经以令人不安的准确性显现出预兆来。
All this had been foreshadowed with disconcerting accuracy last summer.
这说明综合应用微震前兆和遥感前兆来预报地震有助于提高预报的成功率。
This result show that the success rate of earthquake prediction might be increased by using both the microearthquake indication and the remote sensing indication.
巴氏涂片可以检测异常细胞，这些细胞是癌症的前兆，可以使用激光等技术来摧毁它们。
Pap smears work by detecting abnormal cells that are cancer precursors and that can be destroyed using techniques like lasers.
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