This paper inquires into some destructive channels of Tourist Environment and resources, and at the same time, puts forward some protective measures.

文章探讨了旅游环境和资源的破坏渠道，并提出了旅游环境的保护措施。

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Large amplitudes of cables can be induced by low order frequency harmonic oscillations. Then, some destructive accidents will happen, and some efficient control methods will be needed.

缆索结构系统在外部激励作用下将产生低频谐振，会导致大的振幅而可能有破坏性事故发生，故需要一种有效的方法控制这种振动。

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During the Cold War, both sides agreed that some weapons were so destructive they should never be used.

冷战期间，双方一致认为一些武器如此具有破坏性，应该永远禁用。

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Some have speculated that Kony hopes his new destructive rampage will raise international pressure for renewed negotiations.

VOA: standard.2009.08.27

The election results give Americans, and especially small business owners, renewed hope that perhaps some of the destructive legislation of the past two years will be repealed.

FORBES: A Respite For Deflation

Some patients become destructive, he says, describing a mother who watched her son shot dead on the street and who then went on to burn down her own home and that of her neighbours.

ECONOMIST: Kashmir's troubles

But it is also a deservedly bad moment for some of the destructive forces in American public life, for those who have substituted for ordinary politics a sustained campaign to brand Obama as an outsider, as un-American, as non-American.

CNN: Now, stop questioning Obama's legitimacy