1·Synchronous sound effects are those sounds which are synchronized or matched with what is viewed.
同步音效是指那些与观看内容同步或匹配的声音。
2·1927 film The Jazz Singer was the first to feature synchronized speech, and with it came a period of turmoil for the industry.
1927年的电影《爵士歌手》是第一部以语音同步为特色的电影，随之而来的是一段音乐产业的混乱时期。
3·For example, you can delete them or request that they be synchronized.
例如，您可以将它们删除或者请求将它们同步。
4·I believe that help should be synchronized with the functionality of the program, otherwise the program is confusing and the help is misleading.
我认为，帮助文本应该和程序的功能同步，否则人们将不理解程序，也不知道帮助文本说了些什么。
5·If synchronization was successful, the time at the beginning of the synchronization will be saved to be used during the next run to determine what needs to be synchronized.
如果同步化成功了，那么同步化开始的时间将会得到保存以在下一次运行期间使用，从而决定需要同步化哪些内容。