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- secondary principal focus 后焦点, 后主焦点
- secondary principal foci 后主焦点
- Focal length The distance between the centre of a lens and its principal focus. 镜头中心与其主焦点的距离。
- The British Sedimentological Research Group (BSRG) is the principal focus point for all aspects of sedimentological research in the UK. 英国沉积学研究组(BSRG)是英国最主要的沉积学研究中心。
- secondary principal focal distance 第二主焦距, 次焦距
- ASPA - the Australian Secondary Principals Association - is the umbrella organisation for the eight state and territory associations of government secondary school leaders. 澳大利亚中学校长联盟--是一个庞大的、涵盖八个州及直辖区的政府中学领导者协会的联盟。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- He was too shortsighted to focus on the object. 他由于近视过深而无法把视力焦点对准在该物体上。
- The principal shareholder ask for a meeting. 主要股东们要求召开会议。
- The agent spoke on behalf of his principal. 代理人代表他的委托人说话。
- He always wants to be the focus of attention. 他总想成为注意力的焦点。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- You should focus your attention on your work. 你应该把注意力放到工作上。
- She's been downgraded (from principal) to deputy. 她已(从校长)降为副校长。
- The focus on my camera isn't working properly. 我的照相机上的调焦装置有毛病。
- Our principal problem is lack of time. 我们的主要问题就是缺少时间。
- Her age is of secondary interest. 她的年龄不太重要。
- In tonight's programme our focus is on Germany. 在今天晚上的节目中我们重点介绍德国。
- She drank in every word of the principal's lecture. 她全神贯注地听校长演讲的字字句句。
- John informed the principal against Paul. 约翰向校长告发了保罗。