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- Thus varying the nature of R from primary to secondary to tertiary alkyl results in increasing yields of the hydroxy ethers. 当R按伯、仲、叔烷的顺序递变，则所得羟基醚的产率就随之而增高。
- Halfway from primary to secondary economy, from farmland to the factory floor the urbanizing migrant is left to live in barracks reminiscent of the most primitive dormitories of the communist era. 在从原始经济到中等经济迈进的途中，从农田到工厂，城市移民正在离开原始的军营式的简陋住房。
- Master databases from the primary to the secondary. 数据库从主服务器还原到辅助服务器。
- It is usually due to secondary infection. 这个病是继发性感染引起的。
- Thus varying the nature of R from primary to secondary to tertiary alkyl results in increasing yields of the hydroxy ethers 当R按伯、仲、叔烷的顺序递变，则所得羟基醚的产率就随之而增高。
- primary to secondary circuit 初级中心局与二级局间中继电路
- To eliminate a page/segment from primary storage by overwriting it or by rolling it out to secondary storage. 通过重写覆盖或转写到次要存储器上来删除主存储器的一页或一段。
- The secondary flow and vortexes are also produced in the dimple, but the influence of thesein the channel is small. 在窄缝流道的丁胞内同样会生成二次流、纵向涡旋和横向对涡,但其对主流区的影响较小;
- The effect of curvature, torsion and Dean number on secondary flow is discussed. 讨论了曲率、挠率、Dean数对二次流动的影响。
- You might do this to easily switch from a test to a production database or from a primary to a secondary server. 这样就很容易从测试数据库转换到生产数据库,或从主服务器转换到辅助服务器。
- Large spanwise heat transfer variation exists for stationary case due to the rib induced secondary flow. 肋片二次流使得通道各带肋面换热产生了巨大的差异。
- Such devices may relegate Moore's Law to secondary status. 这类器材甚至可能贬低摩尔定律的地位。
- The details of the flow fields such as the backflow, vortex and secondary flow were revealed. 揭示了导叶内部回流、漩涡,以及出口流动滞止区、二次流等流动细节;
- When he was seventeen years old, he went to secondary school. 当他十七岁的时候, 他上了中学。
- Theexperimental results show that there are s trong secondary flow and a complex series of vortices in turbine cascade. 实验结果表明：涡轮叶栅中有强烈的二次流动，并存在复杂的涡系；
- When he was seventeen years old,he went to secondary school. 当他十七岁的时候, 他上了中学。
- Children usually transfer to secondary school at 11 or 12. 儿童通常在11或12岁时升到中学。
- Effects of blade negative bowing on secondary flow, total pressure loss and outlet flow angle were analyzed quantitatively, mechanism of the effects was discussed as well. 定量地分析了叶片反弯曲对叶栅出口二次流、总压损失和气流角的影响，并探讨了叶片反弯曲作用的机理。
- To eliminate a page / segment from primary storage by overwriting it or by rolling it out to secondary storage. 通过重写覆盖或转写到次要存储器上来删除主存储器的一页或一段。
- Teachers are advised on tailoring the curricula in the subjects of Chinese Language and English Language for Primary 1 to Secondary 3 students. 该署亦向教师提供意见，为内地来港修读小一至中三的学童剪裁合适的中、英文科课程。
