您要查找的是不是：
- human lymphocytic antigen system(HLA system) 人类淋巴细胞抗原系统
- Sir Walter, with Julia Bodmer , was a pioneer in the deelopment of the human tissue typing, or HLA system and has worked to understand how cancer cells can escape from attack by the immune system. 华尔兹先生与朱丽娅.;波德迈尔同是人类主要组织分型即人类白细胞抗原系统研究发展的先驱，他的工作有助于了解癌症细胞如何逃避免疫系统攻击的机制。
- 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。
- 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。
- 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。
- I can send him a note via the internal mail system. 我可以通过内部通信系统给他发个通知。
- A request for information from another system. 为查看另一系统中的信息而发出的一种请求。
- Most countries adopt metric system. 大多数国家采用米制。
- Many reforms must be made to the education system. 教育体制要作许多改革。
- The workmen fixed the water system. 工人们装好了供水系统。
