没有可靠的资料，预报就没有基础。
如果只有媒体是一个可靠的来源资料，可惜他们没有。
If only the media were a reliable source for information, unfortunately they're not.
没有精确、可靠的地震观测资料，地震预报及相关的地球科学研究就缺乏基础。
The research work of earthquake prediction and earth science is lacking in basis without accurate and reliable seismic observation data.
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