“density measurement with shadow method”的概念、定义、翻译、参考文献-科学参考

单词	density measurement with shadow method
释义	density measurement with shadow method Encyclopedia 工学阴影法测量密度释 density measurement with shadow method阴影法测量密度利用光在被测流场中的折射率梯度变化（二阶导数）正比于流场气体密度的原理进行密度测量的方法，主要用于高速流场的定性研究。又称傅科刀口法，在光学中是最为简单的一种测量方法。
随便看	payment payment by diagnosis-related groups payment card payment dispute and group resignation of the Commercial Press's Translation and Compilation Team payment for ecosystem payment for ecosystem services payment for ecosystems service payment gateway payment land use payment less than sum insured payment method of medical expenses payment methods for health services payment of industrial injury insurance Payment of social medical insurance fund payment of the tax plus a percentage of profits to the state payoff payoff expected payoff function pay-off matrix payoff matrix payoff table payoff vector pay television pay television, pay TV pay tribute to the sea

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。