Many have pinned their hopes on a sustained us recovery yet, to date, any acceleration in growth has been, to say the least, modest.
许多人寄望于美国经济持续复苏，然而迄今为止，美国经济增长并未显著提速。
High sustained + Gz acceleration produced by modern high performance aircrafts can induce brain damage because of ischemia and hypoxia.
现代高性能战斗机产生的高g值持续性正加速度可导致脑缺血、缺氧，继而引起脑功能障碍。
High sustained + Gz acceleration produced by modern high performance aircrafts can induce brain damage because of ischemia and hypoxia.
现代高性能战斗机产生的高g值持续性正加速度可导致脑缺血、缺氧，继而引起脑功能障碍。
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