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- asymmetrical surface ridge 不对称表面皱纹
- XRD, SEM and XPS characterizations indicated that the catalysts had amorphous structure, the asymmetrical surface morphology and NiP(B) alloy is the surface active component. 催化剂样品的XRD、SEM和XPS分析表明，催化剂活性中心仍为非晶态、具有不均匀的表面结构，非晶态NiP(B)合金是催化剂活性中心。
- Most people's faces are asymmetrical. 多数人的脸并不对称。
- A groove or ridge on a corrugated surface. 皱褶起皱的表面上的一条槽或边
- The conclusions are as follows:The surface wind field is highly asymmetric;the variance components of asymmetric surface wind field depend mainly on the airflow direction of wavenumber 1 and 2. 结果表明:台风近地层风场分布具有明显的不对称性,其方差大部分产生于波数1和2的气流中,并且与波的方向有关。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- He is honest only on the surface. 他只是表面诚实而已。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- Surface mail takes longer than airmail. 普通邮件比航空邮件慢。
- The surface of the lake is quite still. 湖面相当平静。
- It's2 yuan by surface mail and3.6 yuan by air. 寄平信2元，寄航空要3元6角。
- Asymmetrical at the axial ends.Used of a crystal. 异极的轴线终端不对称的。用于晶体
- Wheels won't bite on a slippery surface. 车轮打滑。
- The surface must be thoroughly clean. 表面必须彻底弄清洁。
