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光伏电站接入电网后 PCC点和公共连接点在谐波方面的要求有什么不同？ - 知乎 PoC是指并网点，通常没有其他的客户连接在这个点上。公共连接点又叫PCC，point of common coupling，有其他客户连接的，通常是并网点之后入网的第一个点。 由于并网点和公共连接点都已经是属于电网的资产，所以在标准角度来说要求没有什么不同。
RailKing PCC Streetcar inner dimensions? - O Gauge Railroading On Line . . . I'm thinking of buying an MTH RailKing PCC streetcar to use as a base for a major kitbash modelling project I've read that this particular model rides a little high, my model is going to be as close to scale as possible so I'm wondering, anybody that has the RailKing PCC, how high is the motor boards etc when measuring from the rail head to the top? I'm going to have about 3 1 8" height to
请问连续体机器人建模或是软体机器人建模，国际上哪些团队做得很好啊？ - 知乎 基于cc和pcc模型做的动静力学模型目前已经有很多延伸成果，例如mit基于此做的伪刚体模型动力学： Katzschmann RK, Della Santina C, Toshimitsu Y, Bicchi A, Rus D Dynamic motion control of multi-segment soft robots using piecewise constant curvature matched with an augmented rigid body model
相关系数和R方的关系是什么？ - 知乎 再补充个chatgpt的回复，感觉他说的比较通俗易懂： R Square（ R^2 ）和Pearson相关系数是两个不同的概念，但是它们之间存在一定的关系。