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| Chinese | English |
| 校 调，对，拨准 | set |
| 校准 | calibration To mark the scale of a measuring instrument so that readings can be made in appropriate units (标记测量仪器的刻度，以便用正确的单元来读取。) |
| 测量仪器的校准 | calibration of measuring equipment The determination or rectification of, according to an accepted standard, the graduation of any instrument giving quantitative measurements (根据被认可的标准，确定或者矫正需要给予定量测量的仪器的刻度。) |