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- The laser beam passing through the focusing systems gets an facula,which consists of main spot and sidelobe on the focus plane. 由于光的衍射作用 ,使通过聚焦系统的激光束入射到特定靶面成一光斑 (主光斑 ) ,而在主光斑以外还有次级光斑圈 (旁瓣 )。
- This place will be a starting point for DFD activities and main spot for gathering information about the actions of world wide Document Freedom Community. 这里将成为DFD活动的起点，以及所有关于自由文档社区信息的聚合处。
- The main spot features of UX Ari are distributed in high-latitude, middle-latitude, and low-latitude regions in 2000. The features in high-latitude and middle-latitude regions are long-terra phenomena. UX Ari在2000年的主要黑子活动区分布在高纬、中纬和低纬地区，其中，高纬和中纬地区的黑子群长期存在。
- After has established the hoisting jack model,carries on the finite element to its main spot the analysis,thus obtains the response the displacement change chart and the displacement value. 建立了千斤顶的模型之后,对其主要部位进行了有限元分析,从而得出响应的位移变化图及位移数值。
- 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。
- 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。
- What are the main parts of this scenic spot? 这个景点主要包括哪几个部分?
- 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。
- Our main task now is increasing production. 我们现在的主要任务是增加生产。
