并对它们进行了红外谱图的验证，结构和最初设计结构一致。
And the structures are consistent with the original design by IR analysis.
世系图：对谱主的世系进行了图示。
试用周期图法估计信号的功率谱；
The probationary period plan estimates the signal power spectrum;
试用周期图法估计信号的功率谱；
The probationary period plan estimates the signal power spectrum;
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