做一个初始备份以创建基准线。

Make an initial backup to create a baseline.

youdao

它有一个初始的大小和一个增长参数。

It has an initial size and a growth parameter.

youdao

我们假定了一个初始浓度。

And we've assumed a starting concentration.

youdao

And the technique is called, watch because this is a six-letter initialization, linear combination of atomic orbitals LCAO-MO into molecular orbital, LCAO-MO.

这项技术是，一个6字母初始设定，原子轨道的线性叠加,成分子轨道。

麻省理工公开课 - 固态化学导论课程节选

Because here what we have is some atom that we're studying, in the case, it's going to be a gas, and we hit it with a photon that has some incident energy.

因为这里我们要研究的是一些原子,在这种情况下，一般是气态的，然后我们令一个,具有一定初始能量的光子打上去。

麻省理工公开课 - 化学原理课程节选

The process to control it is intriguing and interesting but the heart of the computer is simply this notion that we build our descriptions, our recipes, on a sequence of primitive instructions.

这个控制它的过程很耐人寻味，很有意思,但是计算机的核心仅仅只是,我们在初始指令序列上，建造描述、方法的一个概念罢了。

麻省理工公开课 - 计算机科学及编程导论课程节选