“standard test block and contrast test block”的概念、定义、翻译、参考文献-科学参考

单词	standard test block and contrast test block
释义	standard test block and contrast test block Encyclopedia 工学金属管线探测仪释 standard test block and contrast test block标准试块与对比试块在无损检测中用于校验仪器或检测系统，或用于标定测试结果的按约定的规则制造的被检测样品。
随便看	periodic variation of corona periodic vector periodic vibration periodic water flooding periodic water injection periodic waveguide periodic waveguides periodic zeta-function period inequality period integral periodization periodization of annual training Periodization of History periodization of multi-year training period lattice period length Period life table period-luminosity-color relation period-luminosity curve period-luminosity relation period mapping period-mass relation period matrix period-mean density relation period module

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。