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From the center of the city, it’s about a four hour drive to the Owens River Diversion Weir. It’s not accessible to the public, but it is the official start of the LA Aqueduct, at least when it was originally built. Here, all the snowmelt and rain from a huge drainage system between the Sierra Nevada and Inyo Mountains funnel down into the Owens River, where a large concrete diversion weir peels nearly all of it out of its natural course and into a canal. This point is roughly 2,500 feet (or 750 meters) higher in elevation than the bottom of the Cascades at the downstream end, which makes it obvious why LA chose it as a source. The entire aqueduct is a gravity machine. There are no pumps pushing the water toward the city. Half a mile of elevation change feels like a lot until you realize you have to spread it out over 300 miles. It’s all achieved through careful grading and managing elevations along the way to keep the flow moving.
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更令人担忧的，是悬在头顶的安全之剑。OpenClaw的定位是“做事”，这意味着它必须获得很高的系统权限，才能操控本地文件、运行应用程序。从安全角度来看，这种高权限“是一场噩梦”。多名“养龙虾人”告诉《财经天下》，它可以在用户计算机上任意运行命令、读写文件、执行脚本。，这一点在Replica Rolex中也有详细论述