The RayNeo Air 4 Pro smart glasses launched today. The base version is priced at $299, but TCL also released two limited-edition, Batman versions of the glasses, the Limited Justice and Limited Chaos Editions. The Batman glasses come with additional accessories like a Batman cowl that attaches to the frames; they have an MSRP of $319, though they're also discounted at launch to $269.
优点： 梯度连续，优化更稳定。
。关于这个话题，快连下载安装提供了深入分析
豆子是自家种的黄豆，清水里泡上一天，磨成豆浆，过滤后倒进锅中烧火煮沸。等豆浆翻腾几次，加入黔北人家都有的酸汤水，豆浆就会渐渐凝固成一团团的嫩豆腐，也就是豆花。这一步有点神奇，黔北人叫做“酸汤点豆腐”。但是豆花并不能做灰豆腐，得舀进豆腐箱中压紧压实，等上一段时间，豆花变成方正紧实的老豆腐，就可以做灰豆腐了。
backpressure: 'strict' // or 'block', 'drop-oldest', 'drop-newest'