P 開頭單詞
primary gangrene [醫(yī)藥科學(xué)]原發(fā)性壞疽
primary function symbol [動(dòng)力與電氣工程]主函數(shù)符號(hào)
primary function [計(jì)] 主功能；[數(shù)] 基函數(shù)
primary frequency standard [物理學(xué)]一級(jí)頻率標(biāo)準(zhǔn)基本頻率標(biāo)準(zhǔn)
primary foliation [地球科學(xué)]原生葉理
primary focus b cell [醫(yī)藥科學(xué)]初級(jí)聚合灶B細(xì)胞
primary focus [光] 主焦點(diǎn)；優(yōu)先考慮
primary flowmeter device [機(jī)械工程]節(jié)流裝置
primary flowage [地球科學(xué)]原生流動(dòng)
primary fire damage [管理學(xué)]火災(zāi)直接損失
primary file key [計(jì)算機(jī)科學(xué)技術(shù)]初始文件密鑰
primary file [計(jì)] 原始文件；主文件
primary feedback signal 主反饋信號(hào)
primary feeblemindedness [心理學(xué)]先天癡愚
primary factor of production 初級(jí)生產(chǎn)要素
primary factor analysis [經(jīng)濟(jì)學(xué)]主成分法
primary factor 主因子，[數(shù)] 準(zhǔn)素因子；一次因素
primary extravagance [心理學(xué)]初級(jí)越軌
primary extinction effect [地球科學(xué)]原生消滅效應(yīng)