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[信息传输、软件和信息技术服务业,文化、体育和娱乐业,] [2024-10-29]
Smart education can be defined as the adoption of new hi-tech teaching methods, which include whiteboards, projectors, and smart notebooks. Implementation of such technologies in the classroom improves the understanding of students and also engages students to learn. A smart education system allows students and teachers to have access to information anytime and anywhere due to efficient interconnection, which is implemented using advanced technologies.
[文化、体育和娱乐业,金融业,] [2024-10-29]
Slot machines are gambling devices that are operated by inserting one or more coins or tokens into a slot, pulling a lever, or pressing a button to spin one, two, or three reels divided into horizontal segments by various symbols. Depending on how and how many symbols line up when the whirling reels come to rest, the machine pays out by dumping two to all of the coins it has in it into a cup or trough.
[有色金属冶炼和压延加工业,黑色金属冶炼和压延加工业,采矿业,] [2024-10-29]
Sinter plants turns raw materials such as iron ore, coal, and scrap steel into crude steel by the blast furnacebasic oxygen furnace (BF-BOF) method. Sinter plants are a part of integrated steel plants. The output of a sinter plant is called a sinter, which is then crushed, cooled and screened for any dust which is primary feed for steel production.
[交通运输、仓储和邮政业,] [2024-10-29]
Shipping container liners are packaging materials used for the bulk shipment of goods, materials, and commodities. Whenever the goods are transported from one location to another, the climatic conditions change, which can cause container rain or cargo sweat. In addition, it may also happen that the goods or materials come in contact with contaminants at the other location, such as water, oil, and dust, which can possibly degrade or destroy the quality of the goods or materials being carried in the container.
[计算机、通信和其他电子设备制造业,] [2024-10-29]
A semiconductor is a type of material that exhibits electrical conductivity between that of a conductor and an insulator. These materials are crucial components in electronic devices, serving as the foundation for the modern digital age. Semiconductors are utilized in the production of microchips, transistors, diodes, and various electronic components. Their conductivity can be altered by factors such as temperature, electric field, or exposure to light, making them highly adaptable for different applications.
[金融业,租赁和商务服务业,] [2024-10-29]
Secondary tickets are originally purchased from primary ticket sellers and resold generally to earn a high return on investment. These tickets are purchased in bulk at face value or nominal value by legal and illegal resellers or brokers and resold to buyers during events.
[电气机械和器材制造业,仪器仪表制造业,] [2024-10-29]
Rugged devices are electronic devices that can withstand difficult climatic and environmental conditions. These devices are water- and dust-resistant, have a shockproof structure, and have a battery life of more than 10 hours.
[电力、热力、燃气及水生产和供应业,] [2024-10-29]
A backup power system is a device that provides uninterruptible and instantaneous power to a building or a facility during grid failures or power outages. Residential backup power systems provide backup power to residential buildings. The backup power system is usually connected to the grid power and has electrical components that allow it to turn on automatically when it senses an outage.
[金融业,] [2024-10-29]
Projector screens refer to surfaces that are used for projecting images and digital content with the help of a support structure installation. These screens come in two variants, flat and curved.
[仪器仪表制造业,计算机、通信和其他电子设备制造业,] [2024-10-29]
Projector screens refer to surfaces that are used for projecting images and digital content with the help of a support structure installation. These screens come in two variants, flat and curved. Flat projection screens have a higher adoption rate than curved screens, as curved screens require accurate geometrical image production.
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