“当你接触到天线上的那个信号衰减点的时候，就改变了天线的阻抗属性，”Banos说。
"When you physically touch the antenna in that spot, you're changing the impedance characteristics of the antenna," said Banos.
“当你接触到天线上的那个信号衰减点的时候，就改变了天线的阻抗属性，”Banos说。
“When you physically touch the antenna in that spot, you’re changing the impedance characteristics of the antenna, ” said Banos.
葛兹平克教授说：“我们已经发现男性在18到70岁之间心脏活力会衰减20%至25%。”
"We have found that the power of the male heart falls by 20-25 per cent between 18 and 70 years of age," Professor Goldspink said.
然而，专家说，在某些应用条件下，纳米材料反而不利，或是会在几十次充放电后发生衰减。
Still, in some applications, nano-materials gum up the works, or break down after a few dozen charges and discharges, experts say.
这篇论文的一位作者丹尼尔博士说：“睡眠可以巩固记忆，防止它们随后受到干扰或衰减。”
Dr Daniel, one of the study authors, said: "Sleep consolidates memories, protecting them against subsequent interference or decay."
科学家们说，去年冬天北极冰层的最大面积比过去几年要大一些，但是长期趋势还是显示它在衰减。
Arctic ice reached a larger maximum area this winter than in the last few years, scientists say, but the long-term trend still shows it declining.
如果说按照这个势头衰减下去，到2025年最后一根电话线就会被掐断。
If the decline of the landline continues at its current rate, the last cord will be cut sometime in 2025.
如果说按照这个势头衰减下去，到2025年最后一根电话线就会被掐断。
If the decline of the landline continues at its current rate, the last cord will be cut sometime in 2025.
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