則出現

則出現

"則出現" means "then appears" or "will appear."

In this sentence, "則出現" is used to indicate a consequent occurrence ('an error message appears') triggered by a specific condition.

當遇到這種情況時，則出現錯誤信息。

When this situation occurs, an error message appears.

Here, "則出現" demonstrates a conditional result ('a warning prompt appears') contingent upon the stated input being incorrect.

如果輸入的數據不正確，系統則出現警告提示。

If the input data is incorrect, a warning prompt appears in the system.

The phrase "則出現" in this structure expresses an observed outcome ('noticeable improvement') following a specified action or event.

經過修復程序後，問題通常則出現明顯改善。

After implementing the repair program, the issue usually shows a noticeable improvement.