Finally, deep nesting of float boxes may cause unpredictable behavior in some browsers.

最后，浮动框的深度嵌套常常会导致在浏览器中产生某些不可预知的行为。

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Deep excavation engineering is characterized by vast construction investment, many unpredictable factors, complex construction technology and great society influence.

深基坑工程具有投资规模大、不确定性因素多、施工技术复杂、社会影响大等特点。

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How American voters will react to deep cuts to federal programs meant to stimulate the economy and decrease unemployment in 2012 is as unpredictable as the brinksmanship the public has just endured over the debt ceiling.

FORBES: Bloomberg Reports Tentative Debt Ceiling Deal Reached Minutes Ago