Use a laser pen to irradiate one fly's compound eye.

用激光笔照射一只苍蝇的复眼。

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Each compound eye was composed of approximately 630 ommatidia.

每个复眼约包括630个小眼。

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Each compound eye was composed of approximately 630 ommatidia.

每个复眼约包括630个小眼。

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