cumulative weight += weights[i]
不过，商户也提醒，目前市场流通的 CCD 相机大多为老旧二手机，普遍存在电池老化、传感器损耗、快门寿命接近极限等风险，品相对故障率影响显著。。快连下载安装对此有专业解读
Published by matejlou，更多细节参见safew官方版本下载
3 Strictly speaking, the slope is continuous everywhere except for the data points themselves. ↑
chunks.push(chunk);