当投资者考虑到无利率的前景和慢化的经济时，股票已经陷入了。

Stocks have plunged as investors considered the prospects of an end to interest rate cuts and a slowing economy.

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所以在反应堆里，典型的慢化剂,热能反应堆是氘和氢。

So typical moderators in reactors thermal reactors are deuterium and hydrogen.

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所有这五个第一代苏联式的水慢化反应堆，都已超期服役或行将退役。 但一个突出的现实问题，将亚美尼亚的核电站与俄罗斯的那四个区别开来。

All five of these first-generation water-moderated Soviet units are past or near their original retirement ages, but one salient fact sets Armenia's reactor apart from the four in Russia.

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