arbitrary datumの例文
- The fluid particles also have potential energy, which is associated with the fluid elevation above an arbitrary datum.
- Hydraulic head is a directly measurable property that can take on any value ( because of the arbitrary datum involved in the " z " term ); " ? " can be measured with a pressure transducer ( this value can be negative, e . g ., suction, but is positive in saturated aquifers ), and " z " can be measured relative to a surveyed datum ( typically the top of the well casing ).
