标

• In sound we use the decibel scale .
  在声学中我们采用分贝标度。
• I began to work feverishly on the radio beacons .
  我开始拼命地研究无线电信标。
• The most usual system is that of the decibel scale .
  最常用的系统为分贝标度系统。
• Every article has a price tag on it .
  商品都标了价格。
• Graphs give data in a two-dimensional picture .
  曲线图可标出二维平面图形上的数据。
• The church on the hilltop was a well-known landmark .
  山顶上的教堂是一个显著的陆标。
• The velocity is with respect to a fixed frame of reference .
  此速度是相对于固定标架的。
• This demonstrates the double-index recurrence relation .
  这给出一个二重下标的递推关系。
• The equations are written in rectangular coordinates .
  这些方程是在直角座标系中写出的。
• The experimental curve runs nearly parallel to the abscissa .
  实验曲线几乎与横座标平行。