两种电子根尖定位仪测量准确性的实验研究 :采用琼脂凝胶和单根管离体牙构建EAL体外评价模型,使用两种EAL在同一种电介质中进行根管长度测量,记录测量值(measured length,ML)及测量值和实际值(actual length,AL)之间的差值(IF值)。结果采用Friedman分
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Returns the measured length of the forearm in meters.
返回以米为单位的前臂长度。
Owing to use of dual synchronous CCD technology and data processing function of PC, effect of temperature to measured length of steel pipe is eliminated.
采用双同步CCD技术,结合上位机的数据处理功能,消除了在测量过程中温度对所测长度的影响。
A measured length of roadway over which electronic timers register the speed of a racing vehicle such as a dragster.
计速路段一段测量过长度的路段,上面有电子计时器记录比赛车辆的速度,如改装的高速汽车的速度。
Springs have a natural length; x is measured from that length.
弹簧是有原长的,x 就是从这里起算的
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