AA'S

I'll call it AA, it's the interaction between two molecules of A.

我把它称为AA，它指A的两个分子，之间的相互作用。

An Estimating Research of AA Gun Artillerymen's Following Collimation by Means of Curve

曲线法对高炮炮手追随瞄准的测评研究

BB shall sign back AA's orders if BB accepts.

BB如果接受订单,应当在AA的订单上签署并发回.

She is a friend of AA, we met at AA's birthday party.

她是AA的一个朋友，我们在AA的生日聚会上认识的。

But the razor clam could burrow a centimeter per second and go half a kilometer using only about a AA battery's worth of energy.

但是这种蛏子能够以每秒1厘米的速度并且只消耗相当于一节AA号电池的能量就可以挖掘半公里的深度。

Study of Obtainment of Projectile Flight Time from AA Gun's Vector Computing Sight

高炮向量式瞄准具射弹飞行时间的提取方法

Conversation: aa's method and belief in teaching architecture histories and theories

对话：AA学校的建筑历史与理论的教学思想

AA: It's better to ask him.

阿尔沙文：你最好是去问他。