ObjectiveTo investigate the refraction change at a specified future date in optics cornea transplant with diameter cornea graft.

目的探讨不同植片的光学性角膜移植术的远期屈光变化。

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If you selected a start date for a time in the future, the deployment process will begin at the specified time.

如果您选择了将来某个时间作为开始日期，那么这个部署过程将在这个指定时间开始。

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If it is a stock (or other security, including a bond), you can borrow it and agree to sell the stock to someone at some specified date in the future at a specified price.

如果是一支股票(或者其他证券，如债券)，你可以从别处融券(借股票)，并同意在未来某个指定日期、以某个指定价格卖给某人。

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Options are the right to buy or sell these investment assets at a set price before a specified date in the future.

BBC: Hedging - a rough guide