Because of these advantages, sedimentary evidence can be dated with sufficient accuracy by radiometric methods to establish a precise chronology of the ice ages.
由于这些优点,可以通过辐射测量方法以足够确定沉积证据的年代,从而建立一个精确的冰河时代年表。
Methods to establish an appropriate error criterion are presented.
同时还提出确定一种适当的误差标准的方法。
Methods To establish the probability model and explained their relationship by graphs.
方法建立概率模型并用图形说明它们之间的关系。
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