spot meter

Use spot meter to isolate bridge roof, then shady side of bridge.

用特写仪把桥顶单独划出, 然后是桥的背阴影面.

The Choice of Method of Verification in the Parking Meter Spot

泊车咪表现场检定方法的选择

The result manifests that the measuring the valid value of spot welding current of non-sine wave of the control system agrees with the one of Japan current meter MM-315 ( its precision is?%), the average different value is 59A.

考核试验表明：控制系统对非正弦波点焊电流的有效值检测与日本表MM-315（精度为±3%）的检测结果有很好的一致性，平均差值为59A；

Tension infiltration meter is a kind of devices measuring soil moisture and solute movement parameters on the spot according to multi-dimensional infiltration theory.

张力渗透仪是一种根据多维入渗原理进行土壤水分和溶质运移参数原位测量的仪器。