极精

1

这些基金的旗下包揽了业务上极为精娴的人员，其中既有来自本国的最为优秀和聪颖的人选，在近期也从较发达经济体招募了很多人才。

These funds contain extremely sophisticated people , the best and brightest from both their own nations and more recently , from the older economies .
2

有多精入卵现象，极少数卵子多精受精。

Now and then , there exists the phenomenon that a few sperms penetrate into egg , while polyspermy is few .
3

根据As精原干细胞理论及干细胞生物学特性，它们极有可能就是精原干细胞及其最初几代分化细胞。

These cells were most likely spermatogonial stem cells and the first few differentiated progeny of stem cells according to As spermatogonial stem cell theory and stem cell biological characteristics .