Objective To investigate the development method of porous plate, the key part of water sublimator, and its main physical characteristics.
目的探讨水升华器的关键部件—多孔板的研制方法，并对多孔板的主要物理特性参数进行研究。
Objective: To discuss the early diagnosis method and curative effect of main artery injuries of limbs.
目的：探讨四肢主要动脉损伤的早期诊断方法和治疗效果。
The main objective of this research is to explore a method how to solve the fatigue design problem of the locomotive car-body structure.
此项研究的主要目的在于探索机车车体结构疲劳设计的解决方法。
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