| 1. | But such direct comparisons are rare
但是这种直接比较不全面。 |
| 2. | Vacuum technology . vacuum gauges . calibration . method by direct comparison
真空技术.真空计.直接比较法 |
| 3. | Vacuum technology . ionization vacuum gauges . calibration by direct comparison
真空技术.电离真空计.用直接比较法校准 |
| 4. | Vacuum technology ; standard method for vacuum gauge calibration by direct comparison with a reference vacuum gauge
真空技术.通过直接与标准真空规的比较对真空计校准的 |
| 5. | Standard test method for determination of octane number of spark - ignition engine fuels by on - line direct comparison technique
用在线直接比较技术测定火花点火式发动机燃料辛烷值的标准试验方法 |
| 6. | Wattmeters will be calibrated by direct comparison method against the laboratory standard wattmeter with phantom load
功率表将透过直接比较法及用虚假负载，利用本所的标准功率表，加以校正。 |
| 7. | Vakuum technology ; standard method for vacuum gauge calibration by direct comparison with a reference vaccum gauge , ionization vacuum gauge
真空技术.用参比测量仪直接比较校准真空计的标准方法 |
| 8. | Vacuum technology ; standard method for vacuum gauge calibration by direct comparison with a reference vacuum gauge , thermal conductivity gauges
真空技术.通过与标准真空规的直接比较校准真空计的标 |
