The property for the recurrence type is not valid. Verify your code.

定期类型属性无效。请检查代码。

youdao

Methods 60 cases of chronic recurrence type and chronic persistent type of UC were selected and randomized into Chinese medicine group (30 cases) and western medicine group (30 cases).

方法选择溃疡性结肠炎慢性复发型和慢性持续型病例60例，随机分为中药组30例和西药组30例。

youdao

Of special interest is the prediction of extreme events, of the recurrence of states of a certain type and of the crossing of thresholds.

特别有趣的是对极端事件的预测，它们位于某些类型的状态多次出现的时刻，以及临界状态。

youdao

Citi has implemented enhanced procedures to prevent a recurrence of this type of event.

FORBES: Citibank Reveals One Percent Of Credit Card Accounts Exposed In Hacker Intrusion