close-in measurement

• 近距离测量

close-in measurement的用法和样例：

例句

1. Range Vernier technique is a novel phase ranging technique, which can provide radial measurement with noise values at sub-qtr-wavelength level.
   游标测距技术是一种新颖的相位测距方法，该技术可以提供精密的径向距离测量值，其随机误差小于四分之一波长。