To start the key exchange, Bob sends Alice two strong laser pulses separated by a precise interval.

开始密匙交换时，鲍勃要给爱丽丝发射两道强激光信号，之间的间隔是经过精密设定的。

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“Centennial is strategically placed to take advantage of strong demand for thermal coal, with long term domestic contracts expiring in coming years,” Chief Executive Officer Bob Cameron said.

“Centennial在本土的长期合同将在几年内全部到期，这有利于公司从对动力煤的强劲需求中获利，”首席执行官Bob Cameron说。

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Bob was having trouble getting to sleep at night. He went to see his doctor, who prescribed some extra-strong sleeping pills.

鲍勃晚上失眠。他去看医生，医生给他开了一些强力安眠药。

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Coach Bob Bradley believes he has a strong team.

VOA: special.2010.06.09

To start the key exchange, Bob sends Alice two strong laser pulses separated by a precise interval.

ECONOMIST: Secure cryptography is only as safe as its weakest link

Bob has been a strong and effective leader at the bank for the last five years, and when he told me about his plans, I immediately began to search for someone to fill his shoes.

WHITEHOUSE: President Obama Nominates Jim Yong Kim for World Bank President | The White House

However, chief executive Bob Dudley said the figures showed "strong progress" at BP, which is raising the quarterly dividend by 12.5%.

BBC: BP profits fall but dividend is raised 12.5%