The announcement, Chan said, means that countries must keep a close watch on the virus. She called the situation a moderate pandemic.

陈女士称，宣布大流行意味着各国必须严密监视流感病毒。她说，目前的形势是适度的大流行。

A French military base in Libreville allowed Paris to keep a close watch on neighbouring Francophone states and offered Bongo security.

法国在利伯维尔拥有军事基地使巴黎能够密切监视相邻的法语国家，也为邦戈提供了安全保障。

The State Flood Control and Drought Relief Headquarters issued a warning urging provinces to keep a close watch on the changing weather and act to avert possible danger.

国家防汛抗旱总指挥部发出预警，要求各省密切关注天气变化并采取行动避免潜在危险的发生。

However, we need to keep a close watch on the impact of overseas economic movements on future price movements.

不过，我们需要密切关注海外经济活动对未来物价走势影响。

All these developments make it worthwhile to keep a close watch on what will happen in the Chinese PV industry over the coming years.

所有这些发展状况都促使全球对中国光伏工业在今后几年中的变化发展保持密切的关注。