荷叶铁线蕨不同位点的异交率在同一居群内的变化很大，而不同居群间的同一酶位点的异交率差异也是较大的。
X. Lin has great change in the same population, and the outcrossing rate difference of the same enzyme locus is also high in the different population.
她和她的丈夫，相互交往有三年了，他们首先选择不同居，他们都视婚姻誓言为人生新的开始，而不选择试婚。
She and her husband, together for three years, chose not to live together first, and they both see their vows as the beginning of an entire lifetime, not a test run.
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