特点：在 ReLU 的基础上引入概率思想，让激活与输入大小平滑相关。
Unicode encodes these as separate codepoints for compatibility, but fonts use the same glyph. These are easy to handle (NFKC collapses them), but worth knowing about.
。旺商聊官方下载对此有专业解读
Fraudsters could theoretically attempt to pass off a different insect species as one of those four.
@abstractmethod
Number (3): Everything in this space must add up to 3. The answer is 0-2, placed vertically; 1-3, placed vertically.