This paper introduces the principle and application of fuel cell by natural gas energy.
介绍了以天然气为能源的燃料电池的工作原理及应用前景。
Objective To explore the diagnosis and treatment principle of giant cell tumor of skull.
目的探讨颅骨巨细胞瘤的诊断和治疗原则。
The solar energy cell board is designed according to this kind of principle.
太阳能电池板就是根据这种原理设计的。
This paper introduces the principle of ZrO 2 oxygen concentration cell.
文中介绍了氧化锆氧浓差电池的工作原理。
The molecule structures of cell membrane and muscle cell; The principle of muscle contraction.
细胞膜和肌细胞的分子结构；肌肉收缩的原理。
The molecule structures of cell membrane and muscle cell; The principle of muscle contraction.
细胞膜和肌细胞的分子结构；肌肉收缩的原理。
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