International trade knowledge base

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• 1、International trade knowledge baseU.S. military's early guided weapons research attempt

Team advantages of grain software

1. Advantages of teamwork Different division of labor Team members can International trade knowledge basehandle larger projects and complete work tasks faster. Teamwork creates a simpler and more efficient workflow. Some people once said: "Teamwork Able to differentiate tasks and achieve double success.

2. Promote learning: Teamwork can promote learning and knowledge transfer among members. Everyone can learn from the experience and knowledge of others and constantly improve their ability and level.

3. Sociological experiments show that two people cooperate with each other in a team and have complementary advantages, and their work performance is obviously better than the sum of two people's performance when they work alone.

4. Advantages: Have common ideals and goals, be willing to take joint responsibility, and share honors and disgraces. In the process of team development, after long-term learning, running-in, adjustment and innovation, we will form an active, efficient, cooperative and creative group to solve problems and achieve common goals.

Find the process of wheat digestion and the working principle, structure and type of the equipment used?

The working principle of spiral conveyor: The spiral conveyor is mainly used to transport grains and debris. It is characterized by simple structure, which can realize horizontal, inclined and vertical conveying, and has a wide range of applications.

Wind selection method Wind selection principle Suspension speed: The material neither rises nor falls in the airflow, but is in a suspended state. At this time, the airflow speed is called the suspension speed of the material.

There are two types of ways to provide airflow: suction and blowing. The working principle of the specific gravity grading table andThe structure is similar to the specific gravity stone removal machine: first, the grain and impurities are divided into two parts according to weight, and then cleaned separately, which can reduce the number of rear cleaning equipment or switch to smaller equipment.

U.S. military's early guided weapons research attempt

Skiner was still determined. On June 9, 1941, he applied to the "National Defense Research Committee" under the association, but the committee was guiding the U.S. Air Force At that time, the three series of guided weapons of BG (bomb glider), GB (gliding bomb) and VB (vertical bomb) were underway.

Development background of JDAM bomb In the late 1980s, the U.S. Navy/Air Force planned to implement a research program called the "Advanced Bomb Series" to develop a low-cost, high-precision conventional bomb.

The first time the United States used precision-guided weapons was during the Vietnam War, when the "Gem Road" series of laser-guided bombs were used.

The earliest precision-guided weapons can be traced back to the late 1940s. At that time, the United States and Germany began to develop missiles controlled by electronic and pneumatic technology, while the Soviet Union began to develop radar-guided weapons.