词汇	阈限人口
释义	阈限人口医threshold population
随便看	error of original entry error of parallax error of parallelism error of performance error of perpendicularity error of perpendidicularity error of phase measurement error of phase-shifting error of piercing error of pivot Error of platinum resistance error of point location error of point position error of position error of position line error of prediction error of principle error of profile error of projectile error of random sampling error of reading error of reference error of refraction error of regression error of relative orientation