Researchers set up a Seine downstream of an area of interest and then flip rocks and disturb the sediment to se what washes into the net.
研究人员首先选定一个感兴趣的区域，在其下游拉起大网；然后翻动岩石，搅动水中的沉淀物；最后，看看他们的网子里捞到了什么。
They turn up rocks and disturb sediment to see what flows into a collection net downstream.
他们翻动岩石，搅动沉淀，期待着下游的网中能够有所收获。
Sometimes they would lob rocks over the high fence around the hothouse, and occasionally they would tear through the overhead net and he'd have to replace panes.
有时他们把石头扔过温室周围的高大围栏，石块偶尔会撕开上面的天棚，他不得不替换它们。
Using the principle of photoelastic data superposition, the author defined the net effects of stress in wall rocks of the cave under all kinds of load. This avoided the trouble…
文中还用光测数据迭加原理确定了弹性应力阶段洞室围岩在各种荷载作用下的最终成果，避免了模型由于同时加载困难所带来的单独施加荷载所造成的繁琐量测和计算。
Using the principle of photoelastic data superposition, the author defined the net effects of stress in wall rocks of the cave under all kinds of load. This avoided the trouble…
文中还用光测数据迭加原理确定了弹性应力阶段洞室围岩在各种荷载作用下的最终成果，避免了模型由于同时加载困难所带来的单独施加荷载所造成的繁琐量测和计算。
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