“semidiameter”的概念、定义、翻译、参考文献-科学参考

单词	semidiameter
释义	semidiameter [¦sem·i·dī`am·ǝd·ǝr] ^ASTRONOMY Measured at the observer, half the angle subtended by the visible disk of a celestial body.
随便看	wire telegraphy wire train wireway wire weight gage wire-wound cryotron wire-wound potentiometer wire-wound resistor wire-wound rheostat wire-wrap connection wiring wiring board wiring diagram wiring harness Wirsung's duct Wisconsin Wisconsin false blossom Wiskott-Aldrich syndrome wisper wind witches'-broom disease witch hazel witch of Agnesi witherite withertip Witte-Margules equation Witt-Grothendieck group

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