The Lifecycle category groups the features related to the history and current state of this learning object and those who have affected this learning object during its evolution.

生命期（Lifecycle）范畴包含与该学习对象的历史和当前状态有关的特性，以及在其演化过程中发挥作用的那些特性。

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He examines the history, movements and trends over the last generation that have brought Europe to its current perilous state.

对于造成当前欧洲危急的上一代人，他重新审视了他们所经历的那段历史，运动和潮流变化。

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The display function will inspect the current state of the history object and generate HTML for the history buttons.

display函数检查历史记录对象的当前状态，并为历史记录按钮生成HTML。

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He said many people are considering whether the party should stick to its 40-year history of promoting democracy in Pakistan, or remain with the current leadership that uses the police and state machinery to crush dissent.

VOA: standard.2009.03.13

Burkhard said he feels Bush is one of the most overworked presidents in history and has shouldered too much blame for the current state of the economy.

CNN: Bush's legacy evokes passionate, sometimes angry reader response

For over 150 years however, there has been current in history and anthropology which has argued that once, before the advent of private property and the state, that there was in fact societies dominated by women.

FORBES: Russian Sex Slave Saga: The Ballad of Viktor and Olga