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Have you ever squeeze wrong fuel inside your vehicle in error? If you have, you are not alone. Statistics in the AA demonstrate that a terrific 150,000 people refill while using wrong fuel every year in the United Kingdom alone ? which is one every three and a half minutes. In most cases, a bad fuel used is petrol in a diesel vehicle, as it's fairly hard to fit a diesel nozzle in to the narrow neck of a petrol fuel tank.
Spacecraft flew hundreds of thousands to hundreds of millions of kilometers from the earth, injecting speed when the size and direction of a slight error, arrived at target planets will appear large deviation error, for example, when Mars probe injecting speed 1 m/s speed (about one over ten thousand), arrived at Mars, about 100000 km distance deviation. Therefore, precise control and navigation must be carried out during the long flight. Flying to the moon is usually controlled by the orbital control system of the ground and space probe (see orbit control). Interplanetary flight distances, radio signal transmission time is long, the real-time remote control, can't so planets and interplanetary spacecraft orbit control system shall have the ability of autonomous navigation (see interstellar travel navigation and control). The United States, for example, "pirates" spacecraft in space flight of more than eight hundred million km, for 11 months of 2000 times of autonomous orbit adjustment, the final surface to achieve a soft landing on Mars, placement accuracy up to 50 km. In addition, in order to ensure the accuracy of the orbit control engine, the communication antenna is always aimed at the earth, and other systems work normally, and the detector has the autonomous attitude control ability
An important feature of efficient teams is that team members trust each other. In other words, team members trust each other's character, personality, characteristics, and ability to work. This trust can create highly trusted interactive energy within the team, which will give the team members a willingness to give, trust the team's goals and pay their own responsibility and passion. If you don't trust anyone, you can't accept anyone. According to the principle of interaction, you don't trust others, and people don't trust you. Instead, you treat people in a frank and friendly way, and the other person tends to treat you the same way. Trust is the motivation to build a team. It is also a high level of confidence in the ability of the team members.
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