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- Keywords double hardness;polyurcthane foam;scat cushion;production method; 双硬度;聚氨酯泡沫;座垫;生产方法;
- Well, we'll have to work double hard and try to beat them at the Beijing Olympics. 那我们要加倍努力，争取在奥运会时打败这些竞争对手。
- The numerical results show that the asynchronous OCDMA system assuming the proposed code reveal excellent performance in the presence of double hard limiters. 数值结果也表明在使用双限幅器的前提下,这种跳频扩时码的异步光码分多址系统有良好的性能。
- The analyses of the aging hardness curve of the composites showed that the additions of Al-silicate short fibber accelerated aging and there were double hardness peaks on the hardness curve. 对复合材料的时效动力学分析表明：硅酸铝短纤维的加入，使基体时效析出的硬度峰提前；时效动力学曲线上出现双硬度峰现象；
- Do you find doubles harder or easier then singles? 问：你觉得是单打容易还是双打容易？
- Major producers: polyethylene wax, wax of polyethylene, polypropylene wax, EVA wax 'Bright plastic lubricants, additives for Masterbatch, ethylene double hard Ester Amide (EBS), and so on. 主要生产：聚乙烯蜡、氧化聚乙烯蜡、聚丙烯蜡、EVA蜡’塑料光亮润滑剂、色母粒专用助剂、乙撑双硬酯酰胺（EBS）等。
- Keywords double towelling;technology;weaving; 双层毛巾被;工艺;织造;
- Keywords Double coverings Minimal surface; 二重复盖;极小曲面;
- Keywords double cathode;ion nickelizing; 双阴极;离子渗镍;
- Keywords double reagent;biuret;total protein; 双试剂;双缩脲法;总蛋白;
- Keywords Double screw granulator Reducer Design; 双螺杆造粒机;减速机;设计;
- Keywords double thread hob;design;application; 关键词双头滚刀;设计;应用;
- Keywords Double wheels Flange Welding machine; 轮对;轮缘;堆焊机;
- Keywords double cathodes;ion bombardment; 双阴极;离子轰击;
- Keywords double wall brazed tube;forming quality; 关键词双层卷焊管;成型质量;
- Keywords double strander;lay type;lay-length analysis; 双捻机;捻向;捻距分析;
- Keywords double pump;iodize automatically;iodized salt; 双泵;自动加碘;碘盐;
- Keywords Double bond;Peroxidate;Colour step;Iodine value;Catalysis; 双键;过氧化物;色阶;碘值;催化作用;
- Keywords Double salt;Iodates;Calorimetry;Thermodynamic properties; 复盐;碘酸盐;量热法;热力学性质;
- Keywords double glow;ion diffusion metallizing;electrode structure; 双层辉光;离子渗金属;电极结构;
