所有科技知识-科学时代

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

primary return air system	primary risk	primary rock	primary root	primary root
primary root	primary runway	primary sampling unit	primary sampling unit	primary sampling unit
primary school	primary school	primary school curriculum	primary school tuition	primary seal
primary sector	primary sector	primary sector	primary securities	primary security
primary sedimentation tank	primary separation process	primary sere	primary sex ratio	primary shield
primary signal	primary slag	primary sludge	primary socialization	primary socialization
primary soil	primary soil	primary somatic hermaphrodite	primary sorbite	primary source
primary source	primary source	primary source of job information	primary specific ionization	primary spermatocyte
primary spermatocyte	primary spermatogonium	primary stage of socialism	primary standard	primary standard
primary standard	primary standard	primary standard solar cell	primary star	primary station
primary sterility	primary stress	primary stress	primary stress	primary structure
primary structure	primary structurist	primary subject	primary sub-race	primary subset
primary substance	primary succession	primary succession	primary surplus	primary suspensor
primary swarm	primary system	primary system	primary system	primary task
primary taste	primary tenses	primary thinking process	primary tide station	primary timber
primary tissue	primary transducer	primary transportation	primary treatment	primary treatment
primary triangulation	primary trochoblast	primary trophoblast	primary unit	primary unit
primary unit	primary uranium ore	primary urbanism	primary urbanization	primary vascular bundle
primary vascular tissue	primary vascular tissue	primary vein	primary visual cortex	primary vitamin
primary vowel	primary wall	primary wall	primary water	primary water lift
primary wave	primary wave	primary wave	primary welfare	primary winding
primary winding	primary word	primary worker	primary works	primary X-ray
primary xylem	primary xylem	primary yeast	primary yolk sac	primary（sampling）unit
primase	primase	primase	primate	primate
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