The earlier characteristics is monumental and symbolic . 前期特征是紀念性和象征性。
At the onset of mitosis, prophase, the nucleolus breaks down . 有絲分裂的開始稱為前期,核仁消失。
These spurs produce short extension growth in the early part of the season . 短枝在生長季前期緩慢延長生長。
Molecular clouds play an integral role in the prestellar evolutionary sequence of interstellar matter . 分子云在星際物質(zhì)的星前期演化序列中起著不可缺少的作用。
The chiasmata observed during the later stages of the meiotic prophase are cytological evidence of earlier cross-over events . 在減數(shù)分裂前期末所看到的交叉是在這以前發(fā)生了互換事件的細胞學證據(jù)。