英语词汇“photo echo”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	photo echo
释义	photo echo photo echo [′fōd·ō ‚ek·ō] (optics) A coherent pulse of light generated in a nonlinear medium at a characteristic time after two other pulses, separated by a certain time interval, have entered the medium.
随便看	solid waste & energy recycling facility solid waste enforcement team solid waste environmental program solid waste facility/landfill solid waste handling permit solid waste information and tracking system solid waste information clearinghouse and hotline solid waste management solid-waste management solid waste management act solid waste management board solid waste management office solid waste management plan solid (waste) management unit solid waste management unit solid waste processing and disposal solid waste recycling tax solid waste regulatory program solid waste rules and regulations solid waste section solid wastes, hazardous substances, and toxic pollutants solid waste storage area solid waste storage/disposal record solid waste transfer pit equipment solid waste volume projection

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