But the Valley stands on ground that is as unstable, seismically and metaphorically, as it was in the earlier bust. Another bubble-this time, not of the Valley's making-has burst.

但同时硅谷也站在一个不稳定的、地震多发同时极富象征性的基础之上：正如先前泡沫破裂之时一样，目前另外一个泡沫——当然不是硅谷制造的——也破裂了。

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Early on, rescue efforts were difficult because the ground was too soft and unstable for machinery, forcing rescue workers to use shovels, hoes, and their hands to dig out any possible survivors.

早期救援工作很难进行，因为土质过于松软不利于机械的稳定停放，促使救援工人用铁锹、锄头甚至双手去挖出任何可能的幸存者。

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We find that then - phase state can be either the degenerate ground state or metastable , even unstable state depending on experimental parameters ofbecs.

我们发现依据不同的实验参数， -位相态既可能是简并基态、亚稳态，也可能是非稳定态。

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City officials believe the sinkhole outside Ms. Lewis's apartment may have been caused partly by excessive weight on unstable ground.

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Do we really want two nuclear reactors of Chernobyl-like design, built in shoddy fashion, which all the defectors and observers say is happening, on seismically unstable ground, right off our shore?

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The unstable nature of the ground dictated that houses were no higher than two storeys.

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