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| постоянное ослабление (The intensity of a beam of light that does not diminish as it gets further from the light source) | |||
| постоянная затухания | |||
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constant attenuation : 28 phrases in 15 subjects |
| |||
| постоянное ослабление (The intensity of a beam of light that does not diminish as it gets further from the light source) | |||
| постоянная затухания | |||
|
constant attenuation : 28 phrases in 15 subjects |