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- The filter is constructed as a sandwich from three materials of different atomic number. 屏蔽物由不同原子序数的三种物质的夹层组成。
- Hibiscus syriacus wood, polychrome ware and sculptures combining three materials clocks because high technological content is difficult to imitate. 椴木、彩瓷与铸铜三种材质相结合的钟表，因为技术含量甚高，更是难以仿制。
- Results showthat ability of cor-rosion-resistant of the bioceramic coating could be the best among three materials by laser cladding. 结果表明,在一定激光熔覆条件下制备的稀土生物陶瓷涂层复合材料比钛合金、未加稀土的涂层材料耐腐蚀能力强。
- Results show that ability of corrosion-resistant of the bioceramic coating could be the best among three materials by laser cladding. 结果表明，在一定激光熔覆条件下制备的稀土生物陶瓷涂层复合材料比钛合金、未加稀土的涂层材料耐腐蚀能力强。
- In our studies we measured the effects of these three materials on the MC3T3E1 (preosteoblast cell line) cells, co- culture of MC3T3E1 and HSCs and ovariectomic (Ovx) mouse model. 在我们的实验中，我们使用前造骨细胞 MC3T3E1做细胞培养、血液性干细胞与 MC3T3E1的共同细胞培养和去卵巢小鼠模式，去观察这三种物质对骨细胞分化的影响。
- The results showed that the three materials had antibacterial effect on the tested five bacterium, but sanguinarine hydrochloride had far more strong and extensive antibacterial effect. 结果表明,这三种物质具有不同程度的抑菌效力,其中盐酸血根碱具有很强的广谱抑菌作用。
- RF and HA, with significant difference between the two materials except for RF and HA. Conclusion: VITAPEX has the best root canal sealing ability than other three materials whose order is ZOE, RFand HA. 结论：通过微渗漏值的比较，说明VITAPEX封闭根尖孔能力显著优于其它3种材料，其后依次为ZOE、RF、HA。
- The soakage of the three materials system of TDE-85 epoxy resin, diallyl isophthalate(DAIP) and E-51 epoxy resin in vacuum assistant resin transfer molding(VARTM) for high performance radome was studied. 研究了采用真空辅助树脂传递模塑 (VARTM )工艺制造高性能机载雷达罩的TDE - 85环氧树脂、间苯二甲酸二烯丙酯 (DAIP)和E - 5 1环氧树脂三种材料体系的浸润性能。
- Methods 234 teeth with cervical caries were divided into three groups and filled by the three materials and the one year follow up results were evaluated with USPHS evaluation criteria. 方法 2 34颗患牙分别用以上三种材料充填治疗 ,经 1年观察并参考USPHS临床直接评定标准评价各组疗效。
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- Our family reunions are always three ring circus. 我家合家团聚的场面总是热闹非凡。
- The train arrived on the dot of three o'clock. 那辆火车三点钟准时到达。
- Her family lives three li away from her school. 她家住在离学校有三里路的地方。
- We spied three figures in the distance. 我们望见远处有三个人影儿。
- The earthwork was cast up in three hours. 土方工程在三小时内就完成了。
- It's three blocks straight ahead. 一直往前走过三个街区就是。
- The investigator will be divided into three groups. 所有的调查员将被分为三个小组。
- Three people can sit in the back of this car. 这车的后座可坐3个人。
- I did the calculation by the rule of three. 我是根据比例运算法则计算出来的。
- He is on night duty three days a week. 他一个星期要上三天夜班。
