Question

sard是什么意思

Answer 1

• n.

  红玉髓；

sard[ sɑ:d ]

• n.a deep orange-red variety of chalcedony

  同义词：sardinesardius

用作名词(n.)

• A closely related variety of chalcedony, sard, differs only in the shade of red.
  与之关系密切的品种，肉红玉髓，不同点只在于红色色调上。

权威例句

Smale, S.: An infinite dimensional version of Sard's theorem. Amer. J. Math. 87, 861-866
AN INFINITE DIMENSIONAL VERSION OF SARD'S THEOREM
Stratifications de Whitney et théorème de Bertini-Sard