经过十年努力，部分分析家相信，中国终于开始用上了自己的涡扇发动机，这一先进战机不可缺少的技术。
After decades of effort, some analysts believe, China is finally beginning to use its own turbofan engines, an essential technology for advanced fighters.
随着先进科学技术的飞速发展，互联网在人们的生活中已经是不可缺少的一部分了。
Along with the fast development of advanced science and technology, the Internet has been an essential part in people's lives.
如今，升降机已经成为国内外所有建筑施工工程场所垂直运输不可缺少的重要的先进的技术设备。
Nowadays, the lift has become the home of all construction sites for vertical transportation indispensable important advanced technology equipment.
大多数人认为收藏品所代表的文化缺少先进技术。
Most people think of the cultures represented in the collection in terms of the absence of advanced technology.
数控技术已成为先进制造系统中不可缺少的基础技术。
CNC technology has become advanced manufacturing systems based on technology indispensable.
激光焊接成型技术是现代工业生产中不可缺少的先进制造技术，它与传统的焊接方法相比具有优良的焊接性能。
Laser welding is an indispensable advanced manufacture technology in the modern production, and it has excellent welding performance compared with the conventional welding ways.
它提供了国家的最先进的系统监控功能，无法找到任何其他软件。这是一个不可缺少的工具，为系统管理员，开发人员和技术支持工程师。
It offers state-of-the-art system monitoring functionality which cannot be found in any other software. It's an indispensable tool for system administrators, developers and support engineers.
它提供了国家的最先进的系统监控功能，无法找到任何其他软件。这是一个不可缺少的工具，为系统管理员，开发人员和技术支持工程师。
It offers state-of-the-art system monitoring functionality which cannot be found in any other software. It's an indispensable tool for system administrators, developers and support engineers.
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