The instantaneous optimal closed-open-loop control equations are derived.

求出了瞬时开闭环最优化控制方程。

youdao

Banks closed on Friday afternoon and did not open again until Monday morning.

银行星期五下午关门，直到星期一早上才会再开门营业。

《柯林斯英汉双解大词典》

Now you can actually go. As far as I know, Libya is now open; it's no longer a closed territory.

现在你确实可以去了。据我所知，利比亚已经开放了；它不再是一个封闭的领域。

youdao

The resulting remodel of the shipping magnate's 37th-floor Miami Beach condo turned a three-bedroom, closed-in space into a two-bedroom open loft.

WSJ: Sailing the Wide Miami Sky

Floating-rate funds come in three varieties: open-end, closed-end and a hybrid of the two.

FORBES: Fixed Income for Bears

Legislation to open up closed-shop professions, among them truckers, taxi-drivers, pharmacists and lawyers, needs fine-tuning.

ECONOMIST: How much more can Greeks take?