Waste residue, waste liquid, waste gas and various waste materials produced in production.
The development and utilization of secondary resources has the social benefits of saving primary resources and saving construction funds.
Produced in the process of social production, circulation, consumption, and life No longer have original use value and exist in various forms, However, some technologies and processes can be comprehensively utilized, processed, and recycled. Make it regain the use value of various wastes under current technical and economic conditions.
生产中产生的废渣、废液、废气及各种废旧物资。
二次资源的开发利用具有节省一次资源、节省建设资金的社会效益。
在社会的生产、流通、消费、生活过程中产生的 不再具有原使用价值并以各种形态存在， 但可以通过某些技术、工艺综合利用加工、回收等途径， 使其重新获得具有使用价值的各种在目前技术经济条件下的各种废弃物的总称。
Matter is the carrier of all appearances and objective reality.
Matter cannot be created or destroyed. The existence and death of various things in the world are only the transformation of the specific form of matter under certain conditions.
物质是一切表象的载体，是客观实在。
物质是不能被创造和消灭的，世界上各种事物的存与亡，只是物质具体形态在一定条件下的转化。
- Immanuel Kant
Think of reality as the conformity of form with empirical materials.
- Johann Gottlieb Fichte
Think that reality is what he calls non-self, which is determined by the self.
- Georg Wilhelm Friedrich Hegel
It is believed that reality is the unity of essence and existence, the manifestation of real things is the real things themselves, and the real things are essential things and have their inevitability.
- 伊曼努尔·康德
把实在看成是形式与经验材料相符合。
- 約翰·戈特利布·費希特
认为实在即他所说的非我，是由自我所确定的。
- 格奧爾格·威廉·弗里德里希·黑格尔
认为实在是本质与实存的统一，现实事物的表现就是现实事物本身，现实事物就是本质的东西，具有其必然性。
Symbol as a tool of form, is also the key to explaining meaning, meaning is stored in matter.
符号作为形态的工具，亦是解释意义的钥匙，意义寄储存于物质之中。
