1.
New information on the response of vegetation to air-fall volcanic ash is provided by analysis of phytoliths from sediments containing major tephra beds.
含火山灰层沉积的植硅体分析为了解植被对从空中下降的火山灰的反应提供新的信息。
2.
A heavy layer of volcanic ash rained down over the Aegean, covering islands and crops.
浓厚的火山灰层大量降下到爱琴海，遮盖了岛屿和农作物。
3.
According to the radiation-optical quality of volcanic ash we calculated the parameter of radiation-optic.
本文根据火山灰粒子的辐射光学特性,计算了火山灰粒子和平流层本底的辐射光学参数。
4.
cut through the layers of loosely compacted ash, eroding deep valleys.
侵蚀着结构松散的火山灰堆积层 形成深深的河谷
5.
They were deposits of volcanic tuff in Nye County, Nevada;
3处场地分别是内华达州奈伊县的火山凝灰岩矿床层；
6.
The studies showed that (1) HFW are found in vocalnic tuff while the others in sedimentary rocks;
(1)前者产出层位是陆相火山爆发相的凝灰岩,后者是河湖相沉积岩;
7.
Computation Method for Shale and Tuff Content in Reservoir with Pyroclastic Sedimentary Rock
火山碎屑沉积岩储层泥质与凝灰含量计算方法研究
8.
portland-pozzolana cement
火山灰质硅酸盐水泥
9.
A volcano belches smoke and ashes.
火山喷出黑烟和灰土。
10.
ash that was thrown By an erupting volcano.
火山爆发喷到空中的灰
11.
The volcano ejected lava and ashes .
火山喷出熔岩和灰。
12.
The village was overwhelmed by ash from the volcano.
村子被火山灰覆盖。
13.
A volcano emits smoke and ashes.
火山散发着烟和灰。
14.
volcanic ash and lava build the mountains that we call volcanoes.
火山灰和火山岩在喷射口堆积构成了火山。
15.
As bad as the pyroclastic flows are, the ash injected into the atmosphere can have even more far-reaching consequences.
如同火山碎屑流般凶恶，喷发进入大气层的火山灰甚至会造成更深远的影响。
16.
Dense clouds of ash were generated during the volcanic eruption.
火山爆发时, 产生了浓密的火山灰云。
17.
A volcano that vomited lava and ash.
喷出岩浆和火山灰的火山
18.
Lava and ashes erupted from the volcano
熔岩和火山灰从火山中喷出来。