“head start project”的概念、定义、翻译、参考文献-科学参考

单词	head start project
释义	head start project Encyclopedia 理学开端计划释 head start project开端计划美国联邦政府通过对处境不利儿童进行教育补偿，以追求教育公平，改善人群代际恶性循环的早期儿童项目。又称先行计划。
随便看	porosimeter porosint porosity porosity calculation porosity coefficient porosity of powder metallurgy materials porosity of soil porosity point porosity, void fraction porospore porous porous absorption porous asphalt pavement porous barrier porous cement porous ceramic membrane porous ceramics porous diffusor blow-down silencer porous electrode porous fence porous flow resistance porous layer open tubular column porous layer open tubular (PLOT) column porous material porous media

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。