过去完成体的“已完成”用法表示一个动作或状态在过去某时之前已经完成或结束。如。
In the "finished" use, the past perfective denotes an action or state already in completion before a specific past.
它主要用作完成体标记，位于动词或形容词后，表示动作行为、状态的完成或实现。
It is mainly marked with perfective aspect and placed after verb or adjective to express the completion or realization of behavior, condition of action.
通过详细的测量和分析，表明繁殖期成体的机能形态学指标表现出与生殖状态相关的明显而复杂的变化。
In the breeding phase the morphological index in different age – group were shown markedly change related to the breeding condition.
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