“laboratory observation”的概念、定义、翻译、参考文献-科学参考

单词	laboratory observation
释义	laboratory observation Encyclopedia 法学数据收集释 laboratory observation实验室观察社会学的一种研究方法，通常是在实验室条件下，借助各种仪器和设备通过控制变量和改变变量，观察自变量与因变量之间的关系及其变化，从而得到研究结论，又称实验室研究法。
随便看	technetium[99mTc]N technetium[99mTc]pentetate(99mTc-DTPA) technetium[99mTc]phytate（99mTc-Phy） technetium[99mTc]pyrophosphate technetium[99mTc]sestamibi technetium[99Tc]methylenediphosphonate technetium line technetium star technetium(Tc)-99m-ethyl cysteinate dimer technetron technic technical technical and economic calculation of gas pipe network technical and economic evaluation of deposit technical and economic evaluation of mine construction projects technical and economic evaluation of mineral deposit technical and economic evaluation of mineral resources exploration technical and economic indicators of operation of thermal power plants technical and economic indicators of urban planning technical and economic indices of pumping station technical and further education institute technical appraisal of electronic records Technical Approval Committee of the National Fisheries Water Pollution Accident technical asset assessment technical assistance

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。