To achieve the right mixture of propellant, the patent presents a hybrid rocket motor that would use 3-d stereolithography to essentially print the fuel.

为了准确地得到推进剂混合物，专利方案里展示了一个利用3 - D立体平版印刷术打印出燃料的混合动力火箭发动机。

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The weighty feel of the springloaded keys, the motor-car styling, and the beautiful marks they print on the page all make for a rich writing experience that can make writer’s block melt away.

弹簧按键沉重有力的感觉，摩托车般的造型，还有打印在纸上的美丽字痕，让你的写作经历变得丰富多彩，让作者心中块垒化为乌有。

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You are advised to read the small print of household and motor insurance policies .

建议阅读家庭财产和汽车保险单中的附属细则。

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