GbEng
检流计，电流计一种仪器，用以探测、测量和测定微小电流方向，采用线圈在磁场中产生的机械效果的方法 An instrument used to detect, measure, and determine the direction of small electric currents by means of mechanical effects produced by a coil in a magnetic field.
平面规，测平仪在精密金属加工中用于测定平面表面精度的金属平板 A flat metal plate for gauging the accuracy of a plane surface in precision metalworking.
他们能够用雷达测定快艇的方位. They were able to position the yacht by means of radar.
我……找到一个六分仪。“好啦！”我说，“他们就是用这个测定太阳的高度。” I…found a sextant…"Now, " I said,"they take the sun through this thing."
呼吸气量测定器；肺活量计用以测量肺部吸入或呼出空气的力量或体积的一种仪器 An instrument for measuring the force or volume of inspiration or expiration in the lungs.