查询词典 dome

In order to raise drilling speed of the non saline dome wells in Kenkiyak Oilfield, the relationship between rake angles of the cutter, profile of the bit, which have effect on cutting depth and impact-resistant of PDC bit cutters, and cutting efficiency is studied respectively using finite element analysis according to rock properties of the research area. The structure of the PDC bit is then optimized by using the research result.

为提高肯吉亚克油田非盐丘井钻井速度，根据地层岩石力学参数评价结果，利用有限元方法对影响PDC钻头攻击性和抗冲击性的齿前角、冠部形状等结构参数与破岩效果之间的关系进行了研究，并对PDC钻头的结构进行了优化设计。

The Grove Mountains, including 64 nunataks, is situated on an area about 3200km〓 in the inland ice cap of east Antarctica in Princess Elizabeth land (72°20′-73°10′S, 73°50′-75°40′E), between Zhongshan station and Dome A, about 450km away from Zhongshan station (69°22′S, 76°22′E).

格罗夫山位于东南极伊丽沙白公主地内陆冰盖，包括64座冰原岛峰，面积3200km〓。

Up in the mountains are clear lakes, quick-moving small rivers, and huge formations of rock. One huge rock is called Half Dome. It rises more than two thousand seven hundred meters into the air.

在山中，有清蓝的湖泊、有快速流动的小河流，还有巨大的岩石群，其中一个最大的岩石叫半圆丘，它高达2700米，直插云宵。

There was a revival of ancient Roman forms , including the column and round arch, the tunnel vault, and the dome.

复兴古罗马的形式，包括廊柱和圆拱，地道的拱顶以及圆屋顶。

Floor $290 Cut to shape,with Grip Clips and cord to tie to the inside of the dome.

楼290美元切割形状，与握剪辑和脐带血，以配合在里面的穹顶。

During the 20042005 austral summer season, the absolute gravity and relative gravity were measured at the Great Wall Station. The tide gauge was set up in Zhongshan Station in 2000. The SAR interferometry was applied to build the DEM of ice sheet and to monitor the ice flow in the polar region.

具体介绍了以长城站、中山站和黄河站3个GPS观测站为依托，开展的板块运动、卫星定轨及极区大气环境监测方面的研究；GPS在埃默里冰架、格罗夫山及Dome A考察中的应用研究；长城站的高精度绝对重力及相对重力测量；中山站自动验潮站的建立；及合成孔径雷达干涉测量在南极内陆冰盖的应用研究等。

Along with theirs thorough, the dome light shines gradually then extinguishes.

随着我们的深入，顶灯渐次亮起又然后熄灭。

This thesis has studied Levy system Cable dome's tension and simulated 24 tension schemes by using finite element analysis software.

本文所完成的Levy体系索穹顶结构的结构选型，节点设计，张拉方案研究是对现有索穹顶结构理论研究的有益补充，并为索穹顶结构在我国的工程应用提供参考。

The lunar optical astronomical telescope can be fixed in the cabin of the satellite outboard, so we can add a dome in the cabin to protect the telescope lens from the lunar dust.

由于望远镜可以安装在卫星最外侧的舱内，所以，可在卫星舱体上加护盖，防止月尘污染望远镜镜头。

The production of large, observatory telescopes continued at Jena with the first joint Zeiss telescope project being a contact signed in November of 1991 to produce a 1 meter telescope (the 13th instrument of the design made at Jena since the first one made in 1971) with control system and a 12.5 meter dome for the European Space Agency.

大型观察镜的生产还是由耶拿厂进行，1991年11月签署了合并后的第一架产品合同，生产一架安有控制系统的口径1米的大镜（是1971年首次生产后的第13架大镜），此镜配装12.5米的圆穹顶，是为欧洲航天局造的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。