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- The pictures it sent us were very disappointing because its main mirror was faulty! 它传送给我们的图像很令人失望,因为它的主要镜子有误差。
- Step 3: In this, the final and most critical step, you need to tilt the main mirror to center its sweet spot (and its optical axis) in the focuser. 如果你的望远镜镜筒是木架子组装起来的，你在每次组装好镜筒之后都需要重复步骤2的工作。
- The sub-mirror - also called the secondary mirror - is a tiny mirror behind the main mirror that passes light down to the autofocus module in the base of the mirror box. 副镜亦称第二镜---是一个主镜后面很小的镜子，把光向下反射到位于镜箱底部的自动对焦模块。
- The gadget is made up of 7 individual mirrored panels with one main mirror fixed to a wall and the others attached to 2 extendable arms on either side. 这种镜子由7个镶镜的板组成，其中，主镜固定在墙上，其它镜则连在主镜两侧，成为镜翼，并可折叠在一起。
- Dynamic Modeling of Deployable Large-aperture Main Mirror of Space Telescopes 空间大口径光学望远镜可展开主镜动力学建模研究
- The main impediment to growth is a lack of capital. 影响发展的主要障碍是缺乏资本。
- Crowds thronged the main square of the city. 城里的大广场上挤满了人群。
- A novel is a mirror walking along a main road. 一部小说如同一面大街上行走的镜子。
- The whole school (was) assembled in the main hall. 全校在大礼堂集合。
- The main feature on the program is her song. 那个节目的主要号召物是她的歌。
- Fables often have animals as the main characters. 寓言常以动物为主角。
- A heavy snowfall block the main road. 一次严重的降雪阻塞了主要公路。
- The gas main explode and set fire to the house. 煤气总管爆炸引起房子失火。
- I grasped the main point of the speech. 我领会了这篇演讲的要点。
- The country's main products are gold and cocoa. 这个国家的主要产品是可可和黄金。
- Men and machines poured along the main highways. 人和机动车顺着公路如潮涌而去。
- A main feature of computer virus. 计算机病毒的一种主要特性。
- He arranged his speech under four main heads. 他把发言内容归纳成四个主要方面。
- Sheet in the main sail, a storm in coming! 收回主帆，风暴要来了！
- In the main, the pupils did well on the test. 总的来说，学生们考得很好。
