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- The ceiling depends on the cost of substitution. 天花板价依赖于替代物的成本。
- molar of substitution 摩尔取代度
- The overall reaction is one of substitutions. 总反应是取代反应中的一种。
- Commonly analyzed are elasticity of substitution, price and wealth. 一般讲替代弹性，价格弹性，财富弹性。
- In 1927, at Chou-k'ou-tien, near Peking, a hominid lower molar of unusual pattern was discovered. 1927年，在北京附近的周口店发现一颗形状异常的人类下臼齿。
- In 1927, at Chou-k'ou-tien, near Beijing, a hominid lower molar of unusual pattern was discovered. 1927年,在北京附近的周口店发现一颗形状异常的人类下臼齿。
- In cryptography,a cipher produced by a composition of a number of substitution and transposition ciphers. 密码学中，由替代密码和置换密码结合使用而构成的一种密码。
- Results and Conclusion: SSC and CI/O restoration for the first Permanent molar of children provided a satisfactory clinical performance. 结论：儿童第一恒磨牙大面积缺损的早期修复有利于正常恒牙（牙合）关系的建立。
- The elasticity of substitution is a useful concept in several areas of economics. 置换弹性在若干经济学领域内是一个有用的概念。
- Results High fluoride exposure in pregnant mic e could cause subameloblastic cysts in first lower molar of fetal mice.Programm ed cell death (PCD) ... 结果孕鼠高氟引起胎鼠牙胚分泌期造釉细胞下囊腔的形成,囊腔上方的造釉细胞发生了程序性细胞凋亡(PCD)。
- ObjectiveTo investigate the effect of lingual inclination of the first molar of mandible by using intermaxillary traction and fixed flat bite-plate. 研究应用交互牵引结合固定平面导板矫治下颌第一磨牙舌倾的临床效果。
- Methods Fifty two fractured crown root posterior molar of 50 patients were treatd by RCT, bonding, flapping and HA hone graft. 方法选择50例患者的52颗后牙冠根纵折伴牙周脓肿的患牙进行完整拔除、牙槽窝修整、患牙体外根管治疗、黏接再植、牙周翻瓣植骨术。
- The effects of substitution degree on retrogradation and anti-mycotic were less. 取代度的变化对沉降性和抗霉菌能力影响不大。
- In cryptography, a cipher produced by a composition of a number of substitution and transposition ciphers. 密码学中，由替代密码和置换密码结合使用而构成的一种密码。
- Objective: To observe the clinical effectiveness of stainless steel crown (SSC) in semipermanent treatment for badly-broken down the first permanent molar of children. 摘要目的：观察不锈钢预成冠在儿童第1恒磨牙大面积缺损的非永久性修复的临床效果。
- Objective: To observe the clinical effectiveness of stainless steel crown (SSC) in semipermanent treatment for badly broken down the first permanent molar of children. 目的:观察不锈钢预成冠在儿童第1恒磨牙大面积缺损的非永久性修复的临床效果。
- The ZnO and Cu product can be obtained through ammino complexation and method of substitution. 研究采用氨络合转换方法，制备了医用或化妆品活性氧化锌等产品。
- Methods Five models of mandibular first molar of double implant-supported with different spatial arrangements were constructed by using threedimensional finite element method. 方法模拟不同空间排列的双种植体支持修复下颌第一磨牙的模型,在保证其它因素都不变的情况下,采用三维有限元法,分析种植体骨界面应力分布。
- How can I persuade you of my sincerity? 我如何能够让你相信我的诚意？
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
