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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 cyclic module primary cyclone primary dark space primary data primary data set group
primary debtor primary decomposition primary degeneration primary degeneration of corpus callosum primary delayed suture
primary demand deposit primary demolition belt primary dentition primary departure runway primary deposit
primary design stage primary detecting element primary detector primary deuteron primary dip
primary dipleg primary disease primary disease development primary dispersion primary display
primary distillation of crude oil primary distillation tower primary distribution primary distribution main primary distribution network
primary distribution of the national income primary distribution system primary distribution trunk line primary diversion field primary divert field
primary document primary document file primary dormant period primary drilling primary drive
primary drying primary drying chamber primary dump system primary dysmenorrhea primary earnings per share
primary earthquake primary eclipse primary ectoderm primary effect primary egg tube
primary electrical characteristics primary electron primary electron emission primary element primary elevator
primary embryo cell primary emergency escape hatch primary emission primary enamel cuticle primary endoblast
primary end of a session primary endosperm primary endosperm cell primary endosperm nucleus primary energy
primary energy fuel primary energy sources primary enterolithiasis primary entry point primary environment
primary epithelium primary EPS Primary era primary esophageal melanosis primary evidence
primary excavation primary exception vector primary excitation primary explosive primary explosive ratio
primary extension primary external auditory meatus primary external nodal point primary extinction primary fabric
primary factor primary factor of production primary failure primary fan primary fault
primary fault test primary feed primary feedback primary feedback signal primary ferrite
primary fiber primary fibrinolysis primary field primary filament primary file
primary filter primary fission fragment primary fission-neutron energy primary fission product primary fission products
primary fission yield primary fissure primary flight instruments primary focus primary follicle
primary forebrain primary forest primary form primary fossil primary fractionator
primary free face primary frequency microseism primary frequency regulation primary frequency standard primary front
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