按照您的需要任意混合搭配置换和引用。
Feel free to mix and match substitutions and references as needed to get the scenarios that you need.
分析了置换通风和混合通风的原理。
Analyses the principles of displacement ventilation and mixing ventilation.
讨论了通风有效性与空气分布特性的相关性，分析了混合通风（上送下回）通风效率低于置换通风效率的原因。
Discusses correlations between ventilation effectiveness and air distribution, analyses why the ventilation efficiency of mixing ventilation is lower than that of displacement ventilation.
本文建立两相连房间点热源作用引起的置换自然通风模型，将室内垂直温度分布简化为上、下两个均匀混合区域。
This article established displacement natural ventilation model caused by point heat source of two joined rooms. The room vertical temperature profile was simplified as two uniform zones.
实现了混合喷吹30％的烟煤，且取得了煤焦置换比提高0.1的效果。
The proportion of bituminous coal in mix reached:30% and the coal-to-coke replacement ratio was increased by 0.1.
结合人体释放污染物的气流运动特性，指出以排除人员活动区内人体释放污染物为目的时，置换通风较混合通风更为有效。
Based on the movement characteristics of the contaminants released by human, points out that displacement ventilation is more efficient than mixing ventilation w...
现有的多种天然气水合物开采方案，如热激法、减压法、化学抑制剂法、置换法和混合开采法等。
Several exploitation methods for tapping NGH have been suggested, such as thermal activation, pressure releasing, chemical inhibitor, replacement and slurry mining.
基于S-P网络中P置换的重要性和加解密的一致性，本文提出了对合型列混合变换的概念，并对其代数结构、枝数和计数问题进行了深入地研究和分析。
Based on the importance of P transform and coherence in encryption-decryption in the S-P networks, we put forward the definition of involution-typed mixcolumn transform.
股骨颈骨折后行全髋关节置换1例，无下肢深静脉血栓形成临床症状，于置换后17 d猝死，尸检证实为伤侧下肢混合型下肢深静脉血栓形成合并肺栓塞；
One femoral neck fracture case of THR had no DVT clinical signs and was dead 17 days later. The autopsy found that it was an mixed type combined of pulmonary embolism;
结论：模型置换法所制作的下颌游离缺失混合支持可摘局部义齿临床效果好。
Conclusions: Designing and fabricating removable partial dentures by altered-cast impression was recommended.
结论：模型置换法所制作的下颌游离缺失混合支持可摘局部义齿临床效果好。
Conclusions: Designing and fabricating removable partial dentures by altered-cast impression was recommended.
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