thank you. did not study them in detail.

来源: 槛外長江 于 2020-12-29 03:10:16 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (328 bytes)
本帖于 2020-12-29 04:09:13 时间, 由普通用户 槛外長江 编辑

only learned something about them indirectly. 

i am not using a compute without chinese input. sorry. 

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