可逆风机在正向与反向送风时，都希望具有良好的气动性能。
A reversible axial flow fan is required to run with high aerodynamic performance both in forward direction and in backward direction.
并对正向与反向混合成形的后板模具结构、成形工艺原理给予重点阐述。
Furthermore, the backboard die structure and forming technology principle of forming by combining positive and inverted directions are stated in emphasis.
采用正向推理与反向推理相结合的方法，开发了用于挤压工步分析专家系统的混合控制策略。
A method of hybrid inference based on forward inference and backward inference strategies is achieved in designing extrusion step analysis expert system.
依据映射的变换方向不同，论文提出了非均匀映射实现的两类算法：正向算法与反向算法。
According to this ring and mapping direction we classify the mapping transformation into two sorts: forward algorithm and reverse algorithm.
并以基础形式的副词小类为标准，在“正向强化”和“反向强化”两个方向比较重叠形式与基础形式在语义强度上的变化。
Taking the adverbial minor sub-category of primary form as a standard, the author investigates the grammatical meaning from both the positive strengthening and reverse strengthening.
将电动力方向与水动力方向一致的电场定义为正向电场，反之则为反向电场。
If the direction of the electrokinetic power is consistent with that of the hydraulic power, the electric field is defined as positive electric one, otherwise, as the negative electric field.
设计了一种全局正向、局部反向的推理方式，并结合改进的与或树深度优先搜索策略建立了专家系统的推理机。
A overall-forward part-backward reasoning way is designed and an expert system reasoning machine is built with improved and-or tree deep priority searching strategy.
然后对本授导算法中的信号正向传播与误差反向传播两个过程，以及其中的信号值推演、误差值推演进行了分析和阐述。
Then the algorithm of the Tutoring positive signal propagation and error back-propagation of two processes, and in which the signal value deduction, deduction for error analysis and elaboration.
竞技体育与非农业人口所占比例成正向变动关系，与农业人口所占比例成反向变动关系。
Athletic sports and non-farming population is the positive relation, with the agricultural population is the negative relation.
反向引物SA4或EM6与研究的所有正向引物组合时产生的多态性条带分子量完全相同，这些条带可能是由反向单引物扩增而来的。
The reverse primers SA4 or EM6 produced identical polymorphic bands when combined with all the forward primers tested. These bands might be amplified by the reverse primers.
以此为基础，详细研究了光敏内包层对该类型光栅中存在的正向传播的纤芯基模与反向传播的纤芯基模以及与反向传播的包层模之间的耦合的影响。
Based on this, we study the photosensitive inner cladding's influence on the core-mode-core-mode coupling and the core-mode-cladding-mode coupling in this kind of grating.
以此为基础，详细研究了光敏内包层对该类型光栅中存在的正向传播的纤芯基模与反向传播的纤芯基模以及与反向传播的包层模之间的耦合的影响。
Based on this, we study the photosensitive inner cladding's influence on the core-mode-core-mode coupling and the core-mode-cladding-mode coupling in this kind of grating.
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