平直用英语怎么说？

平直

例句

• When this tensor vanishes, the space is calleda flat. 当这一张量为零时,空间叫做平直空间.
• She had lank hair and sallow skin. 她头发平直，皮肤发黄。
• Floc size distribution in a dynamic flocculator with a flat vane wheel was measured experimentally. 实验测定了平直叶轮动态混合絮凝器内絮团粒度的空间分布.
• Floc concentration distribution in a dynamic flocculator with a flat vane wheel was measured experimentally. 实验测定了平直叶轮动态混合絮凝器内絮团浓度的空间分布.
• A flat electroencephalogram indicates a loss of brain function. 平直的脑电图表明脑部功能的丧失.
• The roll measurement with piezo - effect sensor to aquire flatness signal are presented. 摘要分析了平直度控制的信号获取及控制算法机理.
• Early American weathervanes were most often cut from flat wooden boards... 美国早期的风向标大多截自平直的木板。