But the changing fortunes of nuclear power have accentuated the ups and downs for uranium.
然而,核大国的命运变化突出了铀的起伏。
2
Nonvolatile memory retains all of the setup information through powerdowns.
非易失性存储器保留了通过电力起伏设置的所有信息。
3
Joseph Masunda, a viola player, is also an electrician and hairdresser. When power cuts plunge rehearsals into darkness, he downs his instrument and snatches up his tools.