Pandas are notoriously difficult to breed, but pan pan lived a particularly active life for a panda and fathered many cubs over the past 20 years.
众所周知，大熊猫的繁育一直以来都是一个难题。不过盼盼可是相当活跃，并且在过去20年里繁育了许多子孙。
In comparison with PAN, PAN-PPO showed a high electrocatalytic activity for oxidation of methanol and the electro-oxidation reaction was controlled by the diffusion step.
在甲醇酸性体系中，PAN-PPO对甲醇具有较好的电催化活性，此反应受扩散控制。
In comparison with PAN, PAN-PPO showed a high electrocatalytic activity for oxidation of methanol and the electro-oxidation reaction was controlled by the diffusion step.
在甲醇酸性体系中，PAN-PPO对甲醇具有较好的电催化活性，此反应受扩散控制。
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