“principal normal”的概念、定义、翻译、参考文献-科学参考

单词	principal normal
释义	principal normal [`prin·sǝ·pǝl `nȯr·mǝl] ^MATHEMATICS The line perpendicular to a space curve at some point which also lies in the osculating plane at that point.
随便看	ebullating-bed reactor ebulliometer ebulliometry ebullioscope ebullioscopic constant ebullism ebullition ecad ECB EC blank fire EC blank powder eccentric eccentric angle eccentric anomaly eccentric bit eccentric cam eccentric circles eccentric contraction eccentric gear eccentricity eccentric load eccentric orbit eccentric reducer eccentric ring structure eccentric rotor engine

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