1. Cause the reason with phlogistic dental pulp to bacterial element, physics element, chemical element is reached send sexual element especially. 引起牙髓炎的原因有细菌因素、物理因素、化学因素及特发性因素。
2. In both fear and anxiety responses, there are four parts to it: the cognitive element, somatic element, emotional element and behaviour element. 恐惧和忧虑，两者的反应里都有四个因素：脑部的认知，身体的反应，情绪因素以及行为因素。
3. On the basis of the definition of block image element, mixed image element and composite image element, this paper proposed a mixed image element encryption algorithm based on chaotic system. 在研究块图元、混合图元和复合图元的基础上，提出了一种基于混沌的混合图元加密算法。
4. Combining general four-node element around crack tip element, a hybrid-stress finite element model is developed, Accordingly a hybrid finite element method to fo. 与四节点单元相结合，提出一种求解自由边界面端部广义应力强度因子的杂交元法。
5. For the same velocity, the fluid resistance increases in the order two twist element assembly <three twist element assembly <single twist element assembly <four twist element assembly. 在同一流速下按双叶片组合、三叶片组合、单叶片、四叶片组合顺序各混合器流体阻力逐渐增加。
网络释义
chemical agent chemical reagent reagent chemical 化学试剂;
chemical agent chemical reagent reagent chemical 化学试剂;
