zhèng gē
secant (of angle), written sec θ
Měi guó zhèng quàn jiāo yì wěi yuán huì
US Securities and Exchange Commission (SEC)
zhèng jiāo huì
US Securities and Exchange Commission (SEC)
ān quán yǔ jiāo huàn wěi yuán huì
US Securities and Exchange Commission (SEC)
Měi guó jiāo huì
abbr. for 美國證券交易委員會|美国证券交易委员会, US Securities and Exchange Commission (SEC)
Měi guó Jiāo huì
abbr. for 美國證券交易委員會|美国证券交易委员会, US Securities and Exchange Commission (SEC)
Měi guó Zhèng quàn Jiāo yì Wěi yuán huì
US Securities and Exchange Commission (SEC)