“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	separation system of decision and collection of fines separation system of securities separation test separation test for spacecrafts separation theorem separatist regime in the middle and late Tang Dynasty Separatists separative separative element separative family separative number separative partially ordered set separative semigroup separative work separativity condition separatography separator separator between sets separator for heavy-ion reaction products separator of a category separator sampling separatory funnel separatrice separatrix separatrix cone

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