首先是物理手感。一般的大模型写重力感应，往往就是简单的把传感器数值赋给位置，导致操作起来生硬得很，要不就是移动的非常慢，要不就是移动不顺畅，要不手抖一下飞机就乱跳。

Investing.com - European stocks traded in a lackluster fashion on Wednesday, as investors cautiously await the U.S. Federal Reserve’s interest rate decision later in the session. The DAX index... Oil ...