Its sheer rock sides sweep up from a broad base until they cut off abruptly at the flat summit.
它陡峭的岩石边从一个宽阔的基地上拔地而起，直到在平坦的山顶下突然被切断。
Your Sensor Tower (placed on the ramp at the front of your base) makes all enemy units within its sweep radius appear as red blips on your minimap.
你的感应塔(造在你基地前面高地的那个)让任何在其扫描范围内的敌方单位以一个红圈的形式出现在你的小地图上。
The true challenge of this project was to take the existing reference counting system and move it over to the mark and sweep model in the existing code base without breaking old content.
这个项目真正的挑战在于替换：必须在已有代码基础上，把引用计数系统整个换成标记-扫描系统，而完全不破坏过去的内容。
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