All this would be difficult and complex enough - but added to that challenge is the task of governing China itself through a period of immense social, economic and environmental change.

尽管取得这些成就已足够艰辛和复杂，但在应对这个挑战之外，中国还面临一个艰巨任务，就是引导国家平稳实现社会、经济和环境领域的变革。

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By combining the linearization of the governing equation with the method of harmonic balance, we have established analytical approximate formulas for the period and the periodic solution.

将控制方程的线性化与调和平衡法组合起来，建立周期及周期解的解析逼近公式。

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"They're the incumbent party, and people are unhappy during a period when they're governing, " he said.

CNN: STORY HIGHLIGHTS

As McQuaid and the UCI prepare for Friday's meeting in Switzerland, the president acknowledged events of the past fortnight had sparked a period of introspection within the governing body.

CNN: Former Tour de France champ LeMond calls for UCI boss to quit

The company notes that the indenture governing the notes provides the company a 30-day grace period to make the interest payment, during which it expects to continue discussions with the noteholder group.

FORBES: Energy Conversion Devices Won't Pay Interest Due On Notes