直到十八世纪末，不连续函数才开始出现于与物理学有关的各类问题中。
It wad not until late in the 18th century that discontinuous functions began appearing in connection with various kinds of physical problems.
直到十八世纪末，不连续函数才开始出现于与物理学有关的各类问题中。
It wad not until late in the 18th century that discontinuous functions began appearing in connection with various kinds of physical problems.
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