This is the 5202nd most frequent Chinese word.
一经
"Once" or "as soon as."
In this sentence, '一经' emphasizes that an action will follow immediately upon the occurrence of the mentioned condition—discovering a problem.
一经发现问题,我们立即采取措施解决。
Once a problem is discovered, we will immediately take measures to resolve it.
Here, '一经' signifies that subsequent events happened promptly after the product launch.
这款产品一经推出,便受到了广泛的欢迎。
Once this product was launched, it immediately received wide acclaim.
In this context, '一经' is used to outline that a notification action will ensue after the approval of the application.