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- 弱Doi雙代數Weak skew paired bialgebra
- 弱相關Long雙代數Weak relative long bialgebra
- 它推廣了Hopf代數上Yetter-Drinfeld模的一些理論,並給出了弱Doi-Hopf模,量子Yetter-Drinfeld模與相關弱Hopf模三者之間的關係。It generalizes the theories of Yetter-Drinfeld modules on Hopf algebras, and associates the weak Doi-Hopf modules , quantum Yetter-Drinfeld modules with relative weak Hopf modules.
- 半雙工semiduplex
- 母親給她買了一雙網球鞋。Mother bought her a pair of tennis shoes.
- 你的代數題做不下去了吧?Are you stuck over your algebra?
- 她一雙眼睛閃爍著喜悅的光芒。Her eyes twinkled with delight.
- 體弱的孩子在冬天易患感冒。Children of poor health are very prone to colds in winter.
- 她丟掉了一雙長統襪。She has lost a pair of stockings.
- 以強凌弱，勝之不武。It is no honour for an eagle to vanquish a dove.
- 雙月bimonthly
- 體弱是過度勞累的必然結果。Poor health is a necessary result of over-exertion.
- 我買了一雙結實的靴子。I bought a pair of stout boots.
- 從隔壁房間里傳來低弱的叫喊聲。A feeble cry came from the next room.
- 他的雙頰紅潤。His cheeks were ruddy.
- [音樂]漸弱diminuendo
- 他遲疑不決時會鼓起雙頰。He balloons his cheeks when he is hesitant.
- [音樂]極弱地pianissimo
- 她的雙眼閃耀著幸福的光芒。Her eyes sparkled with happiness.
- [音樂]漸弱的decrescendo
