OAT 提供五类性能数据，见图 9。
OAT provides five profiled fields, as shown in Figure 9 below, to view the performance
了解五种鸟类，五种蝴蝶，五种树木和五类鸟声。
Learn five species of birds five butterflies five trees five bird songs.
了解五种鸟类，五种蝴蝶，五种树木和五类鸟声。
Learn five species of birds, five butterflies, five trees, five bird songs.
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