佛教专有名词，为南传上座部七论之一。属后期论书，但成立年代不详。本论之旨趣并不在说明诸法之内容，而是以双对问答方式，阐明诸法相互之摄不摄、起灭等关系
双方的论点 arguments on both sides ; arguments on both sides
双膜理论 two-film theory ; Double-Film Theory
双周评论 Fortnightly Review
双曲函数论 [数] theory of hyperbolic functions
双重编码理论 dual coding theory ; dual code theory of memory ; Dual code theory
双向讨论 Two-way Discussion ; Part Three Two-way Discussion ; Two-way Collaboration and Discussion
双模数理论 double modulus theory
双液理论 two liquid theory
首先，我们构造以目的和背景知识为双条件的条件句系统akc，给出它的一些证明论结果。
Firstly, we construct the conditional system AKC with double conditions for aim and background knowledge, give some results of its proof theory.
双寡头竞争是市场竞争的主要形式，而且双寡头竞争已经包含了博弈论的主要内容，是博弈论早期研究的起点，也是博弈论在经济生活中的主要应用。
Duopoly competition, as the important form of market competition, contains the main contents of game theory. It is not only the jumping-off point of game theory but also the primary application.
罗尔斯顿在自然价值论中对人类采取了“双维度”的定位，既肯定了人类主体在自然中的重要性，同时也表明了生态系统的系统价值高于一切主体性价值。
In the theory of natural value, Rolston defined human with "double dimensions", confirming the importance of human in the nature and the overriding place of ecosystem as well.
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