On the earth, all species can thrive, and only then can they constitute a livable living environment for humans. If more and more species disappear, they will also pose serious threats to the sustainable development of humankind. Therefore, from Looking at the long-term interests, at this stage, we must take effective measures to protect and utilize the important germplasm resources that are about to disappear. The germplasm resource bank is a professional facility for the preservation of various germplasm resources. By using the germplasm resource bank, people can vigorously promote the germplasm resources protection work and further promote the sustainable development of germplasm resources. Germplasm resources are national strategic resources, basic resources for productivity, basic materials for genetic breeding, and core materials for bioengineering scientific and technological innovation. They are important guarantees for improving comprehensive agricultural and forestry production capacity and maintaining national security. In the development of agriculture and forestry, it is due to the existence of these rich germplasm resources that we can better build our beautiful country and protect our beautiful homeland. However, with the acceleration of urbanization, modernization, and industrialization, due to climate change, environmental pollution, and invasive alien species, many important germplasm resources are currently losing their living space and are threatened with extinction. By building a germplasm resource bank, germplasm resources can be protected and provide strong technical support. There are two main functions of the germplasm resource bank. The first is to keep our good breed resources and keep the germplasm resources. The second is to cultivate better varieties on this basis. Therefore, the use of germplasm resources to foster innovation can not only effectively protect the germplasm resources, but also have more possibilities for the cultivation of superior varieties. From this perspective, building a germplasm resource bank has an important role and significance. In recent years, China has achieved remarkable results in the protection of germplasm resources. It has preserved 480,000 copies of crop germplasm resources, more than 6,000 grass seeds, more than 8,000 strains of bacteria, and more than 5,600 tobacco varieties, of which there is a germplasm resource bank. Credits.
The CNC Turning process is a digital manufacturing process that is implemented by computer numerically controlled (CNC) machines. This process is used to produce parts with complex shapes, and the manufacturing process involves multiple steps. The following are the detailed steps of the general CNC Turning process:Design: First, you need to design a CAD model of the parts you want to produce. A CAD model is a three-dimensional image created using computer-aided design software that can describe the shape, size, and features of a part.Programming: Next, you need to convert the CAD model into G-code, which is a type of computer instruction that controls the movement and operation of the CNC machine. G Code can be written manually or generated automatically using CAM software.Prepare the machine: Before you start machining, you need to check and prepare the CNC machine. This includes checking the machine's coordinate system, setting tools and cutters, and setting parameters such as the machine's speed and feed speed.Processing: After the machine is ready, the processing can begin. The machining process usually consists of multiple steps, such as roughing, finishing and drilling. At each step, the CNC machine moves tools and workpieces according to instructions in the G code to achieve the desired cutting operation.Inspection: After processing, the parts need to be inspected to ensure that they meet the design requirements and specifications. Inspection can be carried out by using measuring instruments, templates and other testing tools.Polishing and surface treatment: Parts can be polished and surface treated if needed to improve their surface finish and corrosion resistance. This can be done through the use of abrasives, chemicals and other tools.In short, the CNC Turning process is a high-precision, high-efficiency manufacturing process suitable for the production of parts with complex shapes. Through the control of CAD model and G code, the precise control of machine motion can be realized, so as to achieve high-precision parts processing.
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