if (srcObjDesc && srcObjDesc.set) {
let prevFleetTime = -Infinity; // 上一个独立车队的到达时间（初始负无穷，保证第一个车被统计）
，这一点在safew官方下载中也有详细论述
Enterprise: Custom pricing。同城约会对此有专业解读
如果不确定用哪个激活函数，隐藏层可以先用 ReLU，输出层按任务选择；训练中注意梯度情况，如果梯度消失或爆炸，再考虑替换或调整激活函数。
"At a time when much of the industry is moving toward closed, AI-driven ecosystems, we’re taking a different path, one that puts people, not platforms, in charge," Varma said in an email statement. "We’ve heard clearly from our users: some who don’t want AI, while others want the ability to decide exactly how and when it shows up in their browser. AI controls are how we deliver on that commitment."