这座单体火山拥有几乎是世界上最大的完整火山喷口，这个直径约为6.5公里（4英里）的锅型火山口，是当熔岩从火山内腔流过时，上部的岩浆岩坍塌而形成的。
The caldera is about 6.5 kilometers [4 miles] across. It formed following an eruption, when the emptied magma chamber collapsed under the weight of volcanic rock above it.
同时，在分析单型腔简单胀形件加压曲线的基础上讨论多型胶复杂胀形件的加压规范。
Furthermore, the proper specifications of bulging pressure of complex multi-mould parts are discussed on the basis of analysing singlemould bulging parts.
通过结构分析和工艺分析，在大量工艺试验的基础上，选用高溃散性树脂砂制作型芯，并成功地研制出大型薄壁复杂结构的封闭型腔铸件。
The resin sand with high collapsibility is chosen to make the core of the near closed hollow ring on the basis of many technological experimentations through analysis of structure and process.
在自行研制的一种小型化微波腔的基础上，新近研制出采用分离滤光技术的气泡型铷频标腔泡系统。
Based on a miniaturized microwave cavity developed by ourselves and the separated filter technique, a new type of cavity-cell assembly for gas cell rubidium frequency standards was made.
在球面刀具干涉处理算法的基础上 ，对模具型腔自由曲面NC三轴加工中平头刀的刀具轨迹的干涉处理技术进行了分析。
The interference problems and existing methods in 3 axis NC machining of surfaces are analyzed, and a new strategy of interference detection is proposed.
在球面刀具干涉处理算法的基础上 ，对模具型腔自由曲面NC三轴加工中平头刀的刀具轨迹的干涉处理技术进行了分析。
The interference problems and existing methods in 3 axis NC machining of surfaces are analyzed, and a new strategy of interference detection is proposed.
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