基线研究,指对某特定海区的环境基本要素(水文、气象、海水、地质、地貌、海洋生物等)状况的初始调查研究。基线调查又分为初始调查和重复调查。
地球化学基线的确定方法和相关方法技术研究是目前国内外地球化学基线研究的重点和难点。
Determining approach and relative techniques are the focal point and difficulty of the geochemical baseline study.
在前瞻性研究当中,参与者在一段时间内(例如持续五年)被跟踪调查,基线信息会与后续的信息相比较。
In a prospective study, participants are followed over time (e.g. across five years), and baseline information is compared with later follow-ups.
他们坚称自己的研究给出了正确的基线,后续研究努力中必须予以重视。
They argue that their work gives a correct baseline, which future management efforts must take into account.
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