What's a physical mechanism that could lead to differences between these two cells at this very early stage of development?

什么样的生理机制导致细胞,在发育伊始就产生这些差异

耶鲁公开课 - 生物医学工程探索课程节选

At this stage of my career, I’m not to the point where I’m actively finding clients myself.

在我现在的工作阶段，不是要找客户。

便利的社交媒体 - SpeakingMax英语口语达人

Let's talk to the Beta's a second; let me just emphasize at this stage there are no wrong answers.

我们先来讨论一下选β的理由,我要强调一下这里没有错误的答案

耶鲁公开课 - 博弈论课程节选

There's one division, here it shows it at the 16 cell stage and then here, and this transformation as it goes from 16 cells to more like 64 cells.

这是第一次分裂,这里显示的是十六细胞期,然后在这里,在这里胚胎进一步的产生了变化,由十六个细胞分裂为约六十四个

耶鲁公开课 - 生物医学工程探索课程节选

ReadFloat We'll look at it in a second. Let me sort of set the stage up for this -- suppose I want to input -- I'm sorry I want you as a user to input a floating point number.

名字叫,我们来看一会，我先来设置下情景-,假设我想输入，抱歉,我希望你们作为用户来输入一个浮点数。

麻省理工公开课 - 计算机科学及编程导论课程节选

This inner cell mass develops into the embryo, which this here shown at a later stage is beginning to be clear that it's becoming an organism that looks like us.

内细胞群发育成为胎儿,这张图这是一个相对晚期的阶段,能越来越清晰地观察到,这团东西开始有个人形了

耶鲁公开课 - 生物医学工程探索课程节选