- [Zeptoseconds][1] = **仄普托秒** / **仄秒** / (Taiwan Guoyu: **介秒**)

>仄（仄普托）= zepto-

- [Yoctoseconds][2] = **幺科托秒** / **幺秒** / (Taiwan Guoyu: **攸秒**)

>幺（幺科托） = yocto-

The shortened forms, i.e.: 仄秒 & 幺秒 are probably more accessible than their long forms.

----

You can check out this [Metric SI Prefixes Table][3] in Chinese for even more details. Heres a quick and dirty current screen grab for reference: 

>[![enter image description here][4]][4]


  [1]: https://zh.wikipedia.org/wiki/%E4%BB%84%E6%99%AE%E6%89%98
  [2]: https://zh.wikipedia.org/wiki/%E6%94%B8
  [3]: https://zh.wikipedia.org/wiki/%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6%E8%AF%8D%E5%A4%B4
  [4]: https://i.sstatic.net/qupgO.png