wavelength in vacuum造句

• Usually the measuring values of these systems are based on the wavelengths of the incorporated laser sources . hence , in order to ensure that the high potential accuracy of these instruments is achieved , the values of their wavelengths in vacuum must be known
  通常所量得的数值是根据装置在干涉仪的激光光源的波长所得出的，为确保仪器能达到其潜在的高精确度，必须知道激光在真空中的波长数值。