“现场试验”的概念、定义、翻译、参考文献-科学参考

单词	现场试验
释义	现场试验 Encyclopedia 医学现场试验释 field trial现场试验在社区的现场条件下，以尚未患某病的人作为研究对象，按随机分配原则将研究对象分为实验组和对照组，实验组给予某种干预措施（研究因素），对照组不给予干预措施或给予安慰剂，比较两组结局的方法。又称人群预防试验。
随便看	two dimensional superlattice two-dimensional superlattice two-dimensional synthesis two-dimensional system two dimensional system conrolability two dimensional system observability two-dimensional systems two-dimensional theory two dimensional topological insulator two-dimensional tracking two-dimensional tracking, 2D tracking two-dimensional transformation two dimensional turbulence two dimensional ultrafast spectroscopy two-dimensional ultrafast spectroscopy two-dimensional vector space two-dimensional vorticies two dimensional waveguide two-dimension design of concentrators two-dimension photometry two dimension semiconductor two-dimension semiconductor two-dimentional electron gas two-disk phosphoroscope two-D NMR logging

科学参考收录了854744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。