您要查找的是不是：
- System Essentiality Code 系统本质代码
- Adoption of a system essentially based on two main cycles, undergraduate and graduate. 采用实质上是基于两个主要周期的系统,大学生和研究生。
- Python Phrasebook: Essential Code and Commands complete source code, has been tested. (译)：巨蟒短语手册：基本守则和命令完整的源代码，已经过测试。
- While practicing service convenances is an important part for good quality service, and an essential code of conduct and quality for hotel employees. 而践行服务礼仪，则是酒店优质服务的重要组成部分，是称职员工必备的行为规范和素质条件。
- Military Essentiality Coding Program 军事基本编码程序
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- The drainage system has been aged. 排水系统已经老化了。
- They called for a radical reform of our tax system. 他们要求对税收制度进行根本改革。
- Insist that they be treated with respect, not used as garbage dumps or drainage ditches, but as living systems essential to the wellbeing of society. 一定要以敬重之心对待它们，不要将它们用做垃圾倾倒场或下水道，而要将它看作对社会的福祉从根本上起着作用的有生命的系统。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- He's mute on the subject of social system. 他对社会制度的问题保持沉默。
- He said he used this system in the year dot. 他说他很久以前用过这个系统。
- For example, the Global Alliance for Vaccines and Immunisation focuses on strengthening elements of health systems essential to immunisation programmes. 例如，全球疫苗免疫联盟把重点放在了强化卫生体系中对于免疫接种项目至关重要的组成部分上。
- Our manager is conversant with account system. 我们的经理精通会计制度。
- The system can translate English into Chinese. 这个系统能将英语译为汉语。
- The caste system is still strong in India. 种姓制度在印度仍然很牢固。
