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代码说明：

说明：  swiper手机焦点图幻灯片切换特效是一款基于swiper.js的手机移动端图片滑动切换代码，宽屏响应式自适应浏览器宽度。(Swiper Mobile Phone Focus Slide Switching Effect is a swiper. js-based mobile phone picture sliding handover code, wide screen response adaptive browser width.)