第二可数公理 [数] second countability axiom
第二公共控制物理信道 secondary common control physical channel
第二可数性公理 second axiom of countability
第二分离公理 [计] second separation axiom
第二季的情节将紧接第一季结尾展开，这一次主人公理查德将面对“巫师第二守则”的挑战。
The plot of the second quarter will begin immediately at the end of the first quarter, this time the hero, Richard will face "a shaman second Code" challenge.
第二部分先从语用上探索了各种不对称现象的原因，然后从自然语言的肯定、否定公理以及词语的数量特征来阐述不对称原因。
Part two gives some reasons to the asymmetry from pragmatics, then explains the asymmetry from the axiom about natural language's positive and negative form and the quantitative properties.
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