I would like to ask what it means to be admitted to SOS? Isn t it just a distress signal??! Hurry ba

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There are many types of SOS.

But no one knows what your teacher is teaching or what kind of thing you know.

You don't say what your teacher teaches.

There is such a professional.

1. SOS is an international distress signal, which was first adopted on April 1, 1905, and was stipulated by Germany ** in the radio regulations. It became an international standard on November 3, 1906. In fact, SOS is an international Morse code rescue signal, not an abbreviation for any single word.

2. Morse code (also translated as Morse code, Morsecode) is a time-on and intermittent signal**, which expresses different English letters, numbers and punctuation marks through different arrangement orders. It was invented in 1837 and was debasurably invented by the American Samuel Morse or Alfeld Weir. The Friction Code is an early form of digital communication, but unlike modern binary, which uses only zeros and one or two states, it includes five types

Dots, strokes, slow pauses between dots and strokes, short pauses or pauses between each character, medium pauses between words, and long pauses between sentences.

The three ways of SOS distress signal are as follows:1. Sound distress signal: When encountering emergency difficulties, you can take loud shouting, blowing the whistle or knocking on the basin to make a sound to attract the attention of passers-by.

The standard SOS whistle signal is: three short and three long and three again.

2. Light distress signal: When in danger, you can use flashlight (strobe function), mirror reflection of sunlight and other methods to flash repeatedly. The flash signal of the SOS is still three short, three long, and three short.

3. Flag distress signal: Tie a flag or brightly colored cloth to a wooden stick and wave it, draw a long picture on the left side and a short picture on the right side, and make a "figure-8" movement.

<>SOS is an international distress signal. In general, repeating three times symbolizes asking for help, and depending on your own situation and the surrounding environmental conditions, you can light three fires, create three puffs of smoke, make three loud whistles, shout, etc.

1.Flame signal.

The international signal for fire is to set off three piles of flames. The fires are arranged in a triangular shape, with equal spacing between each pile. Keep the fuel dry and light it as soon as an airplane passes by. Try to choose to light the fire in an open area.

2.Smoke signals.

During the day, the smoke rises into the air and contrasts strongly with the surroundings and is easy to spot. Adding green grass, leaves, moss, or ferns to a fire can produce smoke; Damp branches, straw mats, and seat cushions can be smoked for a longer time.

3.Flag signals.

A flag or a piece of brightly colored cloth is tied to a wooden stick, and when the stick is waved, make a long stroke on the left side and a short stroke on the right side to make a figure-8 movement. If the distance between the two sides is close, you don't need to do a figure-8 movement, just simply swipe once, long stroke on the left and short stroke on the right, the former should take slightly longer than the latter.

4.Acoustic signals.

If the distance is close, you can shout for help loudly, three short and three long, and then tell the hole three short; Repeat after an interval of one minute.

5.Reflective signals.

Sunlight and a reflector can be used to signal light for help. If you don't have a mirror, you can use a can lid, glass, metal sheet, etc., to reflect the light. The constant reflection will produce a long line and a dot that is eye-catching.

6.Information Signals.

Rock or gravel is arranged in an arrow shape to indicate the direction.

Hold the stick between the branches of the tree, with the top pointing in the direction of action.

Tie a knot in the middle and upper part of a bundle of grass so that its tip is curved to indicate the direction of action.

Place a branch on the ground and point the branch in the direction of action.

Use small stones to build a large stone pile, and place a small stone on the side to indicate the direction of action.

The direction of action is indicated by an arrow-shaped groove that is deeper than the trunk.

Two crossed sticks or stones mean that the road is impassable.

Three rocks, sticks, or shrubs standing or placing them in parallel indicate danger or urgency.

The letters "fill" are internationally accepted emergency distress signals. A single wooden stick "1" is the most important and the most made.

In the near future, the body signal can be used to express the meaning of the person in distress.

The previous ones were. SOS is an international emergency distress signal. In fact, in radio communications, the signal that indicates "emergency SOS" is three short.

Three long and three short, because in the Moss code three short represents S, three long represents O, so the emergency distress signal is referred to as SOS.

Because this signal is simple and straightforward, it is adopted by countries all over the world.

There are mainly distress signals such as fire, light, color, reflector, placing objects, and sound.

Fire signal: Light three fires at equal distances, mainly light at night, and some grass-shaped smoke during the day.

Light signal: Use a flashlight or lamp to flash 6 times per minute, repeat many times.

Color signal: Wear brightly colored clothes or a brightly colored hat, and stand in a prominent place to attract attention; Or hang brightly colored clothes or quilts on high places.

Reflector signal: The use of sunlight reflection signal can attract attention, generally 6 times per minute, repeated reflection. Materials include glass sheets, canned scalps, spectacle lenses, reflectors, etc.

Product signal: Use tree branches, stones, clothing, etc. to place the "SOS" signal as large as possible. You can write "SOS" directly on the snow.

Sound signal: if the distance is not large, you can voice for help; Or use the sound of a blow to send a distress signal.

In addition to SOS, there is also a V-shaped gesture on the ground, or stretch out your hands to make a V-shaped action, indicating that I need help, and generally from the *** or airplane that you have seen will find a way to help you, which is more practical. Like they say, make a font that is a few meters long and a few meters wide, then you will be dead a long time ago.

SOS is an international emergency distress signal.

In fact, in radio communication, the signal that represents "emergency distress" is three short, three long and three short, because in the Moss code three short represents S and three long represents O, so the emergency distress signal is referred to as SOS. Because this signal is simple and straightforward, it is adopted by countries all over the world. Now, whether it's a ship or an airplane, when in danger, you can use SOS for help.

Upon receiving this signal, it has become an international practice that any person and any country has the obligation to go to the rescue.