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[信息传输、软件和信息技术服务业,] [2025-11-22]
An object that orbits the planet at a lower altitude than geosynchronous satellite is known as a low Earth orbit (LEO) satellite. These objects are typically pieces of electrical equipment. Between 2,000 and 200 kilometers above the surface of the planet, LEO satellite orbit. LEO satellite is frequently used for imaging, spying, military reconnaissance, and other types of communications. Compared with a satellite at a higher altitude, LEO satellite has a much smaller communication field with the ground. They rotate around the planet more quickly as well.
[租赁和商务服务业,] [2025-11-22]
A leisure boat is typically used for entertainment and tourism. It can be powered by a motor or non-motorized and includes various types, such as sailboats, cabin cruisers, towboats, jet boats, watercraft, and runabouts, among others. These boats are popularly purchased and used for activities such as sailing, boating, fishing, or campaigning. Due to the ability to maintain social distance while enjoying oneself, boating has become a favored leisure activity in many regions and countries, leading to a surge in boat purchases.
[医药制造业,农、林、牧、渔业,] [2025-11-22]
Cannabis is a flowering plant of different species, such as cannabis sativa, cannabis indica, and cannabis ruderalis. There are a variety of cannabis plants, of which marijuana and hemp are the two most prominent ones. Cannabis contains two cannabinoids, namely, THC and CBD.
[电气机械和器材制造业,仪器仪表制造业,皮革、毛皮、羽毛及其制品和制鞋业,] [2025-11-22]
Leather tanning machinery refers to a type of industrial equipment that is used in the tanning of animal hides and skins into leather. The importance of leather tanning machinery depends on its ability to effectively and efficiently convert raw animal hides into usable leather products.
[计算机、通信和其他电子设备制造业,仪器仪表制造业,] [2025-11-22]
Laser printers use the principle of electrophotography or electrostatic charges for printing. Laser light is used for inducing charges to facilitate printing. The laser light induces charges on the printer drum, which is opposite to the charge of toner inks in the printer. With opposite charge polarities, where the drum is positively charged, and the toner is negatively charged, the ink in the toner gets attracted to the drum. The ink stuck on the drum is in accordance with the image or data provided to the printer. The negatively charged toner ink, which sticks in the format of the image as provided, gets attracted to the positively charged paper. This creates a replica of the original image provided to the printer.
[化学纤维制造业,化学原料和化学制品制造业,] [2025-11-22]
A K-12 makerspace is a place in K-12 schools that allow students to create, tinker, invent, discover, and explore new ideas using a varied range of materials. These materials are referred to as K-12 makerspace materials. Some of these materials are 3D printers, computers, cameras, electronic tools, building materials, and art and craft supplies.
[文化、体育和娱乐业,] [2025-11-22]
Golf tourism is a kind of special leisure tourism where people undertake trips or travel for the purpose of playing golf. The destination in golf tourism is a golf course. The main types of golf tourism are domestic and international, and both men and women avail of golf tourism services. Golf courses can attract more business guests by cooperating with tourism agencies
[木材加工和木、竹、藤、棕、草制品业,家具制造业,] [2025-11-22]
Geofencing is a virtual perimeter generated around a fixed location or moving object, which helps track, monitor, and detect the devices entering and exiting the defined perimeter.
[电力、热力、燃气及水生产和供应业,] [2025-11-22]
[金融业,] [2025-10-31]
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