1·Under the terms of the contract, which runs until 2019, Rolls-Royce will provide the RAF with a guaranteed level of availability for its EJ200 engines.
根据延续到2019年的合同条款，罗尔斯-罗伊斯将为皇家空军提供可靠且实用的EJ200发动机。
2·For example, the parent package runs the accessory packages, and based on the success or failure of the accessory packages, the parent package either commits or rolls back the transaction.
例如，父包运行辅助包，并根据辅助包的成功或失败来提交事务或回滚事务。