Summary of Background Data. Accurate measurement of morphometric parameters of pedicle isthmus is important for transpedicular procedures.
背景资料分析：对于经椎弓根操作，精确测量椎弓根峡部形态学参数很重要。
Summary of Background Data. Outcomes measurement in back pain has advanced substantially over the past decade.
背景资料概述：对背痛的疗效的评价方法在过去的十年已经很完善了。
Causes for safety accidents were analysed, with summary on the method for its correct use and key points and evaluation analysis for the uncertainty of site voltage measurement.
分析了其安全事故发生的原因，总结了对其正确使用的方法和要点，并对现场电压测量的不确定度进行了评定分析。
应用推荐