two-liquid theory

Base on the quantum theory, QKD can make enables two participants to share secure keys over an insecure public channel in real time.

量子密钥分配以量子理论为基础，可以在不安全的公共信道上安全地实时分配密钥。

Chapter two introduces the theoretical framework of the Appraisal Theory and the rhetorical functionality of engagement resources, including construing stance, construing the putative audience and building solidarity with the audience.

第二章介绍了评价系统的理论框架及其在英语演讲中构建姿态，构建听众，处理与读者的关系，以及说服读者的修辞功能。

Theoretical psychology includes two aspects: metatheory and substantive theory, it is very important to the development of psychological science.

就其范围来说，理论心理学包含两个大的方面：元理论和实体理论。理论心理学对心理科学的发展起着重要的作用。

Later, I developed a broader theory of what separates the two general classes of learners — helpless versus mastery-oriented.

后来，我提出了一个更广泛的理论，来大致区分两类学习者——无助取向与驾驭取。

Two is: existing as theory, the feminism political thought has its own theoretical logic.

作为一种理论形态存在的女性主义政治思想有自己内在的理论发展逻辑。