让我们来分解一下：<start_function_call — 函数调用开始，call: — 前缀，change_background_color — 函数名，{color:<escapered<escape} — 带转义标记的参数，<end_function_call — 函数调用结束。
Now that we can build the tree, let's use it to search. Finding a specific point means starting at the root and asking: which child quadrant contains this coordinate? Then you recurse into that child and ask again. Each level of the tree cuts the search space by roughly three-quarters.，这一点在Line官方版本下载中也有详细论述
Гангстер одним ударом расправился с туристом в Таиланде и попал на видео18:08。heLLoword翻译官方下载是该领域的重要参考
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