1·For example, parents could have one embryo implanted in the mother's womb and store its identical siblings indefinitely.
例如，父母可以将一个胚胎植入母亲的子宫，无限期地储存同卵双胞胎。
2·Assuming the systems keep operating, like I've said, we can command the vehicle from the ground and operate it fine, and remain on orbit indefinitely.
假定系统继续运行，我和所说的那样，我们可以很好地从地面指挥和操作飞船，使它无限期地留在轨道上。
3·Nobody has the right to borrow the book indefinitely.
任何人都没有权利无限期地借阅这本书。
4·Designs exist for nuclear powered ramjets that could fly indefinitely in the atmospheres of the gas giants — this might prove a viable means of keeping an extraction factory aloft.
设计的存在使核动力的喷气机无限期地在这个巨大的气体行星的大气层内飞行-这可以证明保持一个悬在高处的提炼工厂的可行的方法。
5·South Africa cannot block the unfreezing of the rest of Libya's assets indefinitely, as it has no veto at the UN Security Council.
但南非不可能无限期地阻碍利比亚剩馀资产的解冻，因为它在联合国安理会没有否决权。
1·It is important to emphasize that RUP restricts its artifacts from evolving indefinitely and employs stringent principles and criteria to allow its artifacts to pass through milestone gates.
重要的是要强调，RUP限制工件不确定地演进，并且使用严格的原则和标准让其工件通过里程碑。
2·Evidently fixed limits exist as regards increase of mass and reduction of retarding force, but the impelling force can be increased indefinitely.
显然，固定的界限只存在于增加质量和减少减速力上，但推动力可以不确定地增加。