The highly specializedworker castes in ants represent the pinnacle of social organization in the insect world.
在蚂蚁等级中高度特化的工蚁代表了昆虫世界中社会组织的顶点。
2
The construction unit must have the management personnel to carry on the management to the construction worker, is generally the specialized personnel.
施工单位要有管理人员对施工工人进行管理，一般是比较专业的人员。
3
Regularly coordinate specialized technical personnel department of worker to undertake professional skill training, as well as to other department personnel for equipment training.