恒定的

• Abr has a variable bitrate for each frame , but its average bitrate is a constant
  Abr则是每个帧都有一个可变的比特率，但是其平均比特率是恒定的。
• The speed of light is always the same regardless of the motion of the observer or the light source
  光速是恒定的，完全不依赖于观测者及光源的速度。
• The regulator holds a constant air - fuel ratio from cold start - up through hot air operation
  调节阀能够从冷启动到热空气运行一直保持恒定的空气-燃料比例。
• The regulator holds a constant air - fuel ratio from cold start - up through hot air operation
  调节阀能够保证从冷启动到预热空气一直保持恒定的空气-燃料比例。
• 3 . it is implemented that ts is mapped into invariant symbol rate under multi - constellation mapping mode
  3 :实现了在多星座映射下,保证输出恒定的映射符号流。
• The body temperature is maintained at a fairly constant level regardless of the temperature of the environment
  不论环境温度如何，人体体温总保持着相当恒定的水平。
• The second piece of luck is that all over the earth there is a constant vertical electrical field
  第二个比较幸运的地方是，遍布全世界的范围内都有一个恒定的垂直磁场。
• The high processing capacity of our systems allows a constant detection level on the entire frame
  我们系统的高速处理能力使得整个监控过程能够保持在恒定的检测水平上。
• Rubber - or plastics - coated fabrics - determination of tear resistance - part 1 : constant rate of tear methods
  橡胶或塑料涂覆织物.抗撕裂性的测定.第1部分:恒定的撕裂速度法
• But if the speed of light is constant and the frequency is changing , the wavelength of the light must be changing too
  但如果光速是恒定的，频率的改变将带来的波长的改变。