“quadrantal angle”的概念、定义、翻译、参考文献-科学参考

单词	quadrantal angle
释义	quadrantal angle [kwä¦drant·ǝl `aŋ·gǝl] ^MATHEMATICS An angle equal to 90° or π/2 radians multiplied by a positive or negative integer or zero.
随便看	differentiation antigen differentiator diffferential ionization chamber diffluence diffracted wave diffraction diffractional pulse-height discriminator diffraction analysis diffraction grating diffraction instrument diffraction-limited diffraction loss diffraction mottle diffraction pattern diffraction propagation diffraction ring diffraction scattering diffraction spectrum diffraction symmetry diffraction velocimeter diffraction zone diffractometer diffractometry diffuse aurora diffuse-cutting filter

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