目前是否有XRF校准记录于接近XRF标准的方法用于确认精确度？
Are the XRF calibration records current and are appropriate XRF standards used to verify calibration?
通过类以紧固油底壳螺栓这样的日常工作，一个月多次应用合适的维修扳手您可以优化您的“校准肘”的精确度。
You can refine your "calibrated elbow" by using a properly maintained torque wrench a few times a month for common jobs like tightening that drain plug.
着重说明了离心校准法的基本原理、误差分析，以及注意事项和可达到的精确度。
And it emphatically demonstrates the basic principle of centrifugal calibration, error analysis, points for attention and achievable accuracy.
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