数学课里经常要用的,比如泛函,微分方程,数理方法等课程要考的:))
俺就一直讲,人生在宇宙长河时间坐标上,就是狄拉克点,渺小但还是有意义的
数学课里经常要用的,比如泛函,微分方程,数理方法等课程要考的:))
俺就一直讲,人生在宇宙长河时间坐标上,就是狄拉克点,渺小但还是有意义的
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