“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	supervisory routine supervisory signal supervisory system supervoltage supination supplemental chords supplementary angle supplementary condition supplementary group supplementary units supplied-air respirator supply control supply current supply point supply voltage support support base support-coated capillary column supported end support function supporting artillery supporting fire supporting weapon suppository suppressed carrier

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