When you put the JavaScript code at the bottom, it will ( in most cases ) download last, after the other components. 如果将JavaScript代码放在页面底部,(在大多数情况下)它将在最后下载(DL),这时所有其他组件都已下载完。
According to the unofficial Google Operating System Blog, the California-based began testing its download feature last year. 一个名为谷歌操作系统的非官方博客称,总部位于加州的谷歌公司于去年开始测试这项下载技术。
Download changes since last send / receive 下载上次发送和接收后所做的修改
Download changes since last synchronization 在上次同步处理后下载内容发生变化
Change in Tongue Place for the Initials along with That for the Finals in Late Ancient Chinese; Download changes since last synchronization 上古与元音变化同步的声母舌位变化在上次同步处理后下载内容发生变化