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- coating density ratio 涂层相对密度
- The improved performance of anticorrosion was resulted from the increase of coating density, the decrease of open hole percentage and pylome numbers. 这是由于纳米掺杂使涂层密度提高，开孔率、通孔率降低，组织均匀性提高所致。
- The influence of density ratio on the characteristic frequency of coherent structure on the centreline of low Re number free round jet flow has been investigated with Dual PDA. 采用激光粒子动态分析仪研究了低雷诺数时密度比对自由圆射流近喷嘴区轴线相干结构特征频率的影响。
- Cumulative incidence ratio (CIR), incidence density ratio (IDR)and incidence odds ratio(IOR)can be calculated respectively in cohort study according to various study designs. 根据不同的研究设计，在队列研究中可分别估计累积发病率比（CIR）、发病密度比（IDR）和发病比值（IOR）。
- VOC content can be calculated after coating density, weight percent volatile content, water content, and exempt solvent content, volume percent nonvolatile (solids ) content have been determined. 含量可以通过密度,可挥发物含量的重量,水含量,和免除稀料含量,非挥发物含量的重量(固体份含量)来确定。
- The strain energy density ratio criterion for predicting cracking direction in composite materials is proposed. The Tsai-Hill criterion and Norris criterion of composite materials are extended to predict the cracking direction in compsites. 本文提出预测复合材料中裂纹方向的比应变能密度准则;并将Tsai-Hill与Norris准则扩展来预测复合材料中的开裂方向.
- An investigation was conducted to explore the influence of density ratio and velocity ratio of mainstream/injectant upon the cooling effect of flat plane film using heat-mass transfer analogy. 摘要采用传热传质类比的方法研究主射流密度差和速度比对单排孔平板气膜冷却效率的影响。
- I got a new coat in that store last week. 上礼拜我在那家店买了一件新外套。
- signal-to-noise power density ratio 信噪功率密度比
- carrier to spectral noise density ratio 载波噪声谱密度比
- bit energy-to-noise density ratio 比特能量噪声密度比
- The alterations to your coat will take a week. 你的外衣改一改要花一个星期。
- She flung on her coat and ran to the bus-stop. 她匆匆穿上大衣就向公共汽车站跑去。
- Magnesium composites, possessing high strength to density ratios, stiffness to density ratios, excellent mechanical and physical properties, are ideal materials for defense high-tech fields. 镁合金材料有高的比强度、比刚度,优异的阻尼减震、电磁屏蔽等性能,是高新技术行业的理想材料之一。
- Do you think this hat and coat go together? 你认为这顶帽子和衣服协调吗？
- One of the buttons has come off my coat. 我上衣上的一颗扣子掉了。
- A fresh coat of paint can transform a room. 房间重新粉刷一遍可大为改观。
- How many yards must I buy to make a coat? 做一件外套我必须买多少码？
- There is still a lot of wear left in that old coat. 那件旧大衣还可以穿很久。
- I found your coat after you had left the house. 你离开房子之后，我发现了你的外衣。
