int left = 2 * i + 1; // 左子节点
Audio company iFi just introduced a new DAC (digital-to-analogue converter) that's both smaller and lighter than its previous model, and only costs $59. The iFi GO Link 2 connects to a smartphone or other audio-playing device over USB-C and can instantly improve the listening experience on wired headphones.
，详情可参考safew官方版本下载
const origSet = srcDesc.set;，推荐阅读WPS官方版本下载获取更多信息
作为每年的定番，三星再一次对机器的外观设计进行了一些微调，最大改变就是取消了镜头外围的 CD 纹金属环，换成了与 Z Fold7 类似的「中岛」凸起：