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1·To investigate the effect of Hewei capsule (HWC) on gastric dynamics.

目的：探讨和胃胶囊对胃动力的影响。

2·HWC in China, occurring in the west and southwest, resulted in enormous economic loss, serious threat to human security and health, and increasing difficulty for wildlife conservation.

我国野生动物肇事以西部和西南部较为集中，造成巨大的经济损失，威胁人类安全和健康，还增加了野生动物保护工作的难度。