Description: Provides programmes and exhibitions on astronomy and space science. Includes information about the museum, programme information, astronomical facts, and resources for school teachers.

提供以天文学和太空科学为主题的展览和节目。包括展馆资料、节目简介、天文知识、中小学教学资源等。

youdao

The paper points out that the nature of low disturbance rectifier is unsymmetry trigger rectifier by concise description and puts forward feasible digital trigger programme.

通过简捷的说明， 指出低干扰整流器的实质是不对称触发整流器， 并提出可行的数字触发方案。

youdao

On Monday David Cameron told the Today programme that there were "elements of truth" in Yes, Prime Minister's description of the relationship between minister and official.

BBC: Does Whitehall still say Yes, Prime Minister?