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科学参考收录了1248194条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。

primary pattern primary pearlite primary period primary peritonitis primary permanent tissues
primary permeability primary pest primary petiole primary petroleum primary phase
primary phloem primary phloemfibers primary photoelectric current primary photoelectric effect primary photo-electric effect
primary photoeletric current primary photometric standard primary phytocoenosium primary pigmentary degeneration of retina primary pigment cell
primary pile primary pipe primary pit-field primary planet primary planet carrier
primary planet pinion primary planet ring primary plant body primary plant (核反应堆的) primary plasticizer
primary plate primary pneumonic plague primary pollutant primary pollutants primary pollution
primary porosity primary port primary position primary power cable primary power distribution
primary power plant primary power source primary prescriptive primary pressure primary printer
primary process primary producer country primary product primary production primary project benefit
primary protection primary protective barriers primary protein structure primary prothallial cell primary protostigma
primary publication primary pulmonary arterial dilatation primary pulmonary hypertension primary pulmonary hypertension syndrome primary pulmonary tuberculosis
primary pulp primary pulp stream primary pump primary pupil primary purification
primary quality casting primary quantum number primary quenching primary rachis branch primary radar
primary radials primary radiation primary radiator primary radioisotope primary rainbow
primary rational matrix primary raw materials primary ray primary reaction primary reception
primary record primary recovery primary recrystallization primary reference fuel primary reflection
primary reformer furnace primary reformer tubes primary refrigerant primary regenerator primary regulation
primary relay primary relief primary relief tank primary remanent magnetization primary renal column
primary repair primary reproductive organ primary request primary reserve primary resistance
primary respiratory bronchioles primary retinal detachment primary ring primary road primary rocks
primary root primary root straight root primary royal pair(白蚁) primary runway primary safety mechanism
primary safety valve for inner container primary saline soil primary salt primary salt effect primary sample
primary sample unit primary sampling primary sampling fraction primary sampling unit primary satellite
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