本文是英文数据手册的中文翻译，其目的是方便中国用户的阅读。它无法自动跟随原稿的更新，同时也可能存在翻译上的错误。读者应该以英文原稿为参考以获得更准确的信息。-This is the English manual data the Chinese translation, which aims to facilitate the reading of the Chinese users. It can not automatically follow the updated scr ipt, but also there may be translation errors. Readers should refer to the original English to obtain more accurate information.