帮忙看看这句话该怎么理解的好，谢谢！

lovedan

Tetraploid complementation/ K, ]6 R! M9 i
is considered the most stringent test for pluripotency and
" }- G% L+ ]7 S" X6 F$ P" j: t* j+ n- Xdevelopmental potency, as any viable live-born animals resulting
) F+ C# y. M# B* s* a9 O( ^5 sfrom the injection of diploid ES or iPS cells to create the tetraploid
( x; _: j8 ]# E: T(4N) embryos (blastocysts) will be from the diploid donor cells.

lovedan

来人啊！！！！！！！！！！！！！！！！！！！！！