graphite_texture: “visible pencil grain”
Number (2): Everything in this space must add up to 2. The answer is 1-0, placed vertically; 6-2, placed vertically.
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1、阿里研究院：《“银发+AI”应用趋势报告》
7Julius Petri once wrote: “These shallow dishes are particularly recommended for agar plates…Counting the grown colonies is also easy.” (Translated by Corrado Nai from the original, 1887 German manuscript.)