- Symbol: A symbol is a visual representation that stands for or represents something else. It can be a graphic or an image that carries a specific meaning or represents an idea, concept, or entity. Symbols can be universal or cultural-specific, and they often convey complex ideas or emotions in a concise and abstract manner.
- Sign: A sign is a physical or observable object or action that indicates the presence or existence of something. It can be used to give direction, provide information, or communicate a message. Signs are usually direct and straightforward in their meaning and are often used in public spaces or on roads to communicate with people.
- Signal: A signal is a specific action, sound, or gesture that is used to communicate a particular message or command. Signals are often used in situations where verbal communication is not possible or where it is necessary to communicate quickly and efficiently. Signals are commonly used in transportation systems, sports, and military operations.
- Mark: A mark refers to a visible trace or indication left by something or someone. It can be a physical imprint, a stain, or a spot that is used to identify, distinguish, or indicate a particular characteristic or presence. Marks can be intentional or accidental, and they can signify ownership, quality, authenticity, or damage.
加特纳菌性阴道炎就是其中的代表之一，如果不注意性卫生，或同时拥有多个性伴侣，那么感染加特纳菌的几率就会大大增加。，作为成年人，她更应该为孩子树好榜样，以后更多地参与志愿服务活动。
”展区内，云南中宣液态金属科技有限公司工作人员正在介绍医用液态金属产品的优点。， 本次创新论坛还推出了新技术新产品室内展，一大批新技术、新产品在雄安新区展出。
， 收入普遍正增长，12省份两位数增长 财政部数据显示，前10月，地方一般公共预算收入101624亿元，同比增长8.8%；
首页
