时间标准

• Standard test method for open - channel measurement of time of travel using dye tracers
  使用染料示踪剂明渠测量行程时间标准试验方法
• Health informatics - time standards for healthcare specific problems ; english version en 12381 : 2005
  健康信息学.保健特殊问题的时间标准
• Time standards set for both short and long course based on previous years ' achievements
  无论短池还是长池其时间标准设置都基于先前若干年的成绩。
• The hong kong time standard is maintained with a caesium beam atomic clock kept in the observatory
  ：天文台的铯原子钟是用来订定本港的时间标准。
• The hong kong time standard is maintained with a caesium beam atomic clock kept in the observatory
  ：天文台的铯原子钟是用来订定本港的时间标准。
• Standard test method for conducting time - to - failure creep - rupture tests of joints fabricated from nonbituminous organic roof membrane material
  非沥青质有机屋面薄膜材料接缝的蠕变断裂时间标准试验方法