因此，在设计此类高超声速巡航飞行器时，应采用模块化的推进系统并折衷选择前体长度和前缘角的大小。
Hence, modularized propulsion system and the trade-off among these variables must be taken into account in the configuration design of the hypersonic cruise vehicle.
依据层次分析法原理，将三角洲前缘共划分出5个层次，分析了各级界面的岩石类型、分布特征及物性特征。
Based on the principle of hierarchical analysis, the deltaic front is divided into 5 hierarchies, for which the rock types, its distributional characteristic for each interface are analyzed.
辫状三角洲体系的平原相基本上由辫状河道沉积组成，三角洲前缘及前三角洲相带则以快速堆积、滑塌及浊流沉积为主。
Braid delta systems mainly consist of braid river deposits in delta plain facies, rapid accumulation deposits, slump deposits and turbidites in delta front and prodelta facies.
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