Attend regular meetings and training sessions and complete Daily Sales Report, contract modification and so on.
定期参加会议和培训，完成销售日报，合同修改等其他工作。
These delivery orders are issued under a previously announced contract modification on an existing indefinite delivery, indefinite quantity contract.
该交付订单是根据过去对一项未交付时间、未交付数量合同的修正。
In this contract modification, space station crew members will launch on four Soyuz vehicles in 2013 and return on two vehicles in 2013 and two in 2014.
合同变更说明，国际空间站工作人员将在2013年乘坐4艘“联盟号”宇宙飞船升空，并且分别在2013年和2014年乘坐两艘飞船返回地面。
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