利用第一主分量得分的多少可以近似反映蝗虫的发生程度。
The scores of the first principal component may approximately represent the extent of the outbreaks of pest.
玉米气候产量的第一主分量可代表甘肃省玉米气候产量的时间趋势。
The first main component of the climate related corn yield can represent the temporal tendency of the climate related corn yield of Gansu.
为使用方便起见，以信息量最多的第一主分量，编制核桃楸立地类型上层林分高表，应用于林业生产实际。
For convenience, the principal components with most messages are used in making an upper stand height table of the manchurian walnut site types which will be applied to the forest production.
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