He said authorities will continue to monitor volcanic activity.
他说, 当局也会继续监督火山活动。
Darkcolored ash and tiny volcanic rocks carpet the crater floor.
火山口坑底是灰色得火山灰和较小得火山岩。
Dense clouds of ash were generated during the volcanic eruption.
火山爆发时, 产生了浓密得火山灰云。
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。
Island Arc Volcanic Rocks in the North Qaidam UHP Metamorphic Belt
柴达木北缘超高压变质带中的岛弧火山岩
Do not be surprised if other volcanic activity commences elsewhere.
如果别处的火山活动启动也不要感到惊讶。
A hiker climbs amid volcanic fumes in Russia's Kamchatka peninsula.
一名徒步旅行者在俄罗斯的堪察加半岛的火山烟雾里攀登。
Mount Unzen has been spewing out volcanic ash, gas, and rock today.
云仙山今天一直在向外喷涌火山灰，气体和火山岩。
The ancient Romans discovered that volcanic ash made better cement.
古罗马人就发现火山灰使水泥更加坚固。
Plate boundaries are often rich in earthquakes and volcanic activity.
板块边界往往出现在在地震和火山过程中。
This is closely related to tectonic and volcanic activity of planets.
这其实与行星的构造运动 和火山运动密切相关。
But those artifacts could be from volcanic eruptions or natural fires.
然而这些痕迹也可能是火山爆发或自然火造成的。
as we speak, there's life being generated there from volcanic activity.
此时此刻，生命正诞生于火山活动中。
They melted in the volcanic orifice, agglomerated, cooled and sank out.
它们在火山喷发口凝聚，冷却，沉淀。
the opening at the top of a volcano from which forth spews volcanic ash
火山的顶部开口，从哪里喷出火山灰。
CHARACTERISTICS OF EARTHQUAKE CLUSTER ACTIVITY IN TENGCHONG VOLCANIC AREA
腾冲火山地震群的活动特征
The island is huge fissure eruption of adjacent formation volcanic island.
各岛是从洋底巨大裂隙喷发形成的火山岛。
Numerical simulation on airborne substances of blasting volcanic eruption.
爆破性火山喷发空降物的数值模拟
a volcanic rock consisting of rounded and angular fragments fused together
由圆形石块和有角的石块聚结而成的火山岩
Ascension covers an area of90 square kilometres and is of volcanic origin.
阿森松岛面积有90平方公里，是个火山岛。
Abundant copper material was derived from volcanic rock series in the rift.
丰富的铜质来自巨厚的裂谷火山岩系。
A volcanic rock consisting of rounded and angular fragments fused together.
集块岩由圆形石块和有角的石块聚结而成的火山岩
Weather satellites have observed a ring of volcanic ash girdling the earth.
气象卫星观测到一个环绕地球的火山灰带。
Study on the Structure of Artificial Silica Fume and Activity of Volcanic Ash
人造硅灰结构及火山灰活牲研究
Any of various volcanic glasses distinguished by their dull pitchlike luster.
松脂石某种火山玻璃，以其暗似沥青的光泽而著名
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