A number of recent variations have further demonstrated the utility of the 1, 3-dithiane system.
几种最近的变体进一步阐明了1, 3- 二硫杂环已烷体系的用途.
词典精选例句
几种维生素对噪声暴露小鼠肝脏糖原含量和GPT活性变化的影响
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目的：研究猪苓Grifola umbellata在与伴生菌Companionfungus共培养过程中，伴生菌对猪苓几种酶的活性影响。
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( British) any of several coarse fishes ( such as dogfish or wolffish) when used as food.
（英国）几种粗糙的食用鱼（如角鲨鱼、狼鱼）。
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The paper obtain some kinds teres and graceful methods in calculation integration.
本文应用对称性得到了几种类型积分计算的简洁优美的解法.
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几种常见信号波形的逆变换计算（Ⅱ）奇偶对称三角波与锯齿波和整流余弦波的逆变换
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在相同试验条件下，考察了几种聚合物乳液制备改性乳化沥青的工艺性能和其对沥青的改性效果。
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几种氨基酸对日本鳗鲡摄食、消化和生长的影响
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The Adaptability of Several Oil Hydraulic Valve Structures in Water Hydraulics
几种油压阀的结构型式对水的适应性
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We proposed a new cost control method based on cost standard of working procedure ( CSW )
讨论了几种成本控制方法的异同点和适用范围.
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There are several kinds of movies to pick from, from cartoons to action movies.
有好几种电影可以选择, 从卡通片到动作片.
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几种不同型号的印刷胶片以温度50℃、相对湿度80%的条件进行1&4天的人工老化试验，所得的结果与自然保存1至2年的同样胶片性能进行分析比较。
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The article introduces the above ashless dispersants and their main producers at home and abroad.
文中概述了上述几种无灰分散剂及其国内外的主要生产厂家；
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Several ways of reducing the raw material cost for making C-glass marbles are introduced.
介绍了在保证质量的前提下,降低中碱球原料成本的几种做法.
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