“principal normal section”的概念、定义、翻译、参考文献-科学参考

单词	principal normal section
释义	principal normal section [¦prin·sǝ·pǝl ¦nȯr·mǝl `sek·shǝn] ^MATHEMATICS For a point on a surface, a normal section in a direction in which the curvature of this section has a maximum or minimum value.
随便看	reaction line reaction mechanism reaction motor reaction pair reaction path reaction principle reaction propulsion reaction rim reaction series reactions inventory uridine diphosphoglucose uridine monophosphate uridine phosphoric acid uridylic acid urinalysis urinary bladder urinary system urination urine uriniferous tubule urn urobilin urobilinogen urocanic acid Urochordata

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