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- That impact crater should give you defilade from the machine gun position. |看见那弹坑吗?
- A few clouds in the sky above Arizona and its Barringer Impact Crater, at right. 一些云彩在亚利桑那州上空及其白瑞杰的冲击坑,在正确的。
- A small impact crater, surrounded by ejecta, is filled in with rippled sand on the floor of Ritchey Crater. 一个小陨石坑中,喷出物包围,充满沙子与皱对里奇陨石坑发言。
- Therefore, the Duolun basin is not an impact crater, instead its formation was related to the volcanic eruption during the late Jurassic Period. 因此,多伦盆地不是撞击形成,而与晚侏罗系上统火山喷发有关。
- The location of this bright crater is consistent with Earth-based radar images, which suggested a very fresh, rayed impact crater in this area. 这一亮白陨石坑的位置和雷达推测相吻合,地球雷达曾推测这一地区有放射状陨石坑,而这次是第一次看到这一地域。
- The bright impact crater at the corner of the plateau is Aristarchus, a young crater 42 kilometers wide and 3 kilometers deep. 台地角落明亮的撞击陨石坑就是爱利斯塔克斯,一个年轻的环形山,宽42公里深3公里。
- Russian scientists favored the latter hypothesis because a comet is composed of dust particles and ice, which would fail to produce an impact crater. 俄罗斯科学家比较支持小型彗星这个说法,因为彗星的成份是尘土微粒和冰,应该不会造成撞击坑洞。
- With a four-kilometer drop, this high cliff surrounding Echus Chasma, near an impressive impact crater, was carved by either water or lava. 这个高耸的峭壁高约四千公尺,围绕在艾彻斯峡谷周围,这可能是由水或熔岩所雕塑形成,它的旁边还有一个陨石坑。
- Also visible in the image is the Arizona-sized impact crater Tros on the moon's surface, with bright streaks of material blasted around it. 这张美丽的照片还展示了木星大气的一些重要信息。
- The surface of Mimas is dominated by an impact crater 130 km across, known as Herschel;it's almost 1/3 of the diameter of the entire moon. 土卫一的表面主要是一个直径130千米的环形山,取名为赫歇耳(Herschel),它几乎是整个卫星直径的三分之一。
- According to test results, all these damage shapes can generally be classified as impact crater, impact spallation, penetration perforation, impact perforation. 弹丸冲击作用下钢筋混凝土板的破坏形态与弹速、板厚及混凝土强度等密切相关,根据试验可归纳为冲击成坑、冲击震塌、侵彻贯穿和冲击贯穿四类。
- Tethys, one of Saturn's larger moons at about 1000 kilometers in diameter, survived the collision, but sports today the expansive impact crater Odysseus. 作为土星较大卫星的土卫三,直径大约1,000千米,在碰撞后仍然存在,但是直到今天它还留有一个庞大的碰撞陨石坑-奥德修斯。
- Appearing at first glance to resemble the human brain, the natural phenomena that created the unusual texture on the floor of this Martian impact crater are currently under investigation. 乍看之下,这个火星陨石坑的底部很像是人类的脑部组织,不过造成这个不寻常纹路之自然现象为何,现在仍然在研究之中。
- The topographic map produced by Clementine's laser ranger revealed the astounding dimensions of the SPA basin, which stretches 2,600 kilometers across, making it the largest impact crater in the entire solar system. 克莱门蒂号的雷射测距仪制作的地形图揭露出spa盆地惊人的大小:宽达2600公里,是整个太阳系最大的撞击陨石坑。
- Recently, a hidden circular structure located on the Yucatan peninsular, Mexico, with a diameter of about 180km was discovered and is considered to be an impact crater relating to the K-T event. 最近又在墨西哥Yucatan半岛发现了一个隐伏的环形构造,被认为是与K-T撞击事件有关的陨击坑。
- The lack of an impact crater also suggested that the object could not have been a sturdy iron meteorite but a more fragile object, such as a relatively rare, stony asteroid or a small comet. 找不到撞击坑洞,也意味该天体可能不是结实的铁质陨石,而是比较易碎的天体,例如较罕见的岩石小行星或小型彗星。
- Flames blazed out from the crater of the volcano. 火焰从火山口猛烈地喷出来。
- A rim, as of a vessel, bell, or crater. 边容器、铃和坑的边缘
- Lava boiled up from the crater of the volcano. 熔岩从火山口沸腾着升起来。
- These bullets fragment on impact. 这些子弹射中物体时爆炸成碎片。