precisionist对语言讲究精确的人precisionn.精确；精密度adj.精确的precision solenoid精密电磁线圈precisionattribute精度属性precision location精确定位precision waveform正确波形precision tracking精确跟踪precision cropping精密下料precision guidance精确制导precision standard精密标准precision rectifer精密整流器precisionist style严谨派风格