面对许多仍然需要跨越的“雪山”“草地”、需要征服的“娄山关”“腊子口”，习近平总书记的殷殷告诫振聋发聩——
They also need to test the technology to bring the material back to Earth.
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Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36
An example of dithering using random noise. Top to bottom: original gradient, quantised after dithering, quantised without dithering.