Now a small fire department in California is tackling all three problems with a smartphone app which relies on the idea of crowd-sourcing.
目前，加州的一个消防小队正借助一个基于众包理念的智能手机应用来解决三大难题。
There are three basic factors: First, solve the daily life problems. Second, small group learning and exploration according to themes.
它的基本要素有三：一是解决真是生活中的问题，二是以小组为单位进行深入的主题探索；
Finally, the methodology of small scale centrifuge models is elucidated by analysing three typical problems, i. e. , the vertical bearing…
以桩基础的垂直承载力、砂土振动液化、边坡稳定分析为例，阐述了小比尺离心模型试验和分析的一些思想和手段。
Finally, the methodology of small scale centrifuge models is elucidated by analysing three typical problems, i. e. , the vertical bearing…
以桩基础的垂直承载力、砂土振动液化、边坡稳定分析为例，阐述了小比尺离心模型试验和分析的一些思想和手段。
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