The ex-planation of such a density window is given and the parameters option is also discussed.

文中对这种密度窗口的存在给予了物理解释，并进而讨论了影响驱动电流效率的主要因素。

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Note that PETM is expected to go ex-dividend next week, which will impact option prices.

FORBES: Options Plays To Roll On PetSmart Bandwagon

Nonetheless, with live music, dancing, bingo and private functions already existing revenue streams, and food sales not an option, the future for Herne Bay Ex-Servicemen's Club remains unclear.

BBC: NEWS | UK | England | Kent | Members' club bemoans smoking ban

Whoever ends up running Citi faces a gigantic challenge, but at least he (or she) will have plenty of latitude: Robert Rubin, the new chairman (and yet another ex-Goldmanite), has indicated that no option is off the table, even a break-up.

ECONOMIST: Investment banking