camera.position.z = 40：这一步很关键！默认情况下，物体在坐标原点 (0,0,0)，相机也在原点。如果你不移开相机，你就跟物体“贴脸”了，什么也看不见。我们把相机往后拉 40 米，就能看清全貌了。
Meta 正式与谷歌达成了一项价值数十亿美元的多年期协议，将通过谷歌云平台大规模租赁张量处理单元（TPU），用于其下一代大语言模型的训练与推理。这是谷歌 TPU 从“内部垄断工具”走向“商业化输出”的里程碑，也暴露出马克·扎克伯格彻底撕碎英伟达算力定价权的勃勃野心。
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Гангстер одним ударом расправился с туристом в Таиланде и попал на видео18:08
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