The heavier cloud cover to the north and west of this circular pattern was likely a response to a low-pressure system and to jet stream dynamics.
圆形的云型中，北部和西部云量更多，这可能是由于低压系统和急流的作用。
The reasons of forming a shock-cell structure and changing the flow field pressure were analyzed with jet dynamics.
根据射流动力学理论，分析了产生这种波系结构和流场压力变化的原因。
In terms of ash agglomerating fluidized bed fine coal gasification process, the fluid dynamics, jet behavior and bubble property are reviewed in this paper.
以灰熔聚流化床粉煤气化工艺为背景，概括了射流床内床层动力学、射流特性以及密相中的气泡性质的研究进展。
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