back-of-the-envelope

back-of-the-envelope envelope of the pulse back-of-an-envelope怎么翻译? 翻译 articles wanted for photos,place the information on the back of each envelope Lincoln wrote the address on the back of a used envelope翻译 the most popular version states that Lincoln wrote the address on the back of a used envelope翻译 英语翻译This construction is convenient for use with “back-of-the-envelope” sketches when no computer isavailable.这句话怎么翻译呢?特别是use with “back-of-the-envelope” sketches怎么翻译? an envelope of 的用法This is an envelope of gasses around the planet请问汉语意思! 英语翻译• Immigration photographs are not the same as passport photographs.Please:• enclose 6 photographs in an envelope;• place photographs of different individuals in separate envelopes;• do not write at back of the phot pushing the envelope是什么意思 push the envelope是什么意思 on the back of Back of the I attached the address you sent me to the front of the envelope.意思 sit at the back of the back sit at the back of the back 英语翻译upper and lower sidebandsupper and lower side frequenciespeak change in the amplitude of the envelope 这句话什么意思? The goodness of the bounding envelope rt