NASA has not yet developed a rocket powerful enough to propel this spacecraft out of Earth's atmosphere.

目前为止，美宇航局还没有开发出具有足够动力的火箭，这种火箭需要能在地球大气层以外驱动宇宙飞船飞行。

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Due largely to long experience of planned economy system, china has not yet developed a system of flexible construction procurement mode.

然而由于中国长期计划经济的影响，建筑市场的发育显得比较迟缓，还没有形成灵活的工程采购模式体系。

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At this stage of the children, adolescents rapid physical growth and development, plasticity, the body organs of the system has not yet developed, the body shape is not stereotypes.

在此阶段的儿童、青少年身体生长发育迅速，可塑性大，身体各器官的系统尚未发育完善，身体形态结构没有定型。

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But the shift in guidance this week will not affect the approval already given for 600, 000 new dwellings in Britain as a whole a third of them slated for land that has not yet been developed.

ECONOMIST: The south-east

One major hurdle is that the language of machine-plus-human interaction has not yet begun to be developed.

FORBES: Human with Machine Trumps Human vs Machine

An adapter has been developed that will address the high DFT issue, but this has not yet been submitted for US FDA approval.

FORBES: New ICD Lead Technology Creates New Set of Problems: A Perspective From One Electrophysiologist