大地: ground; earth; the earth; mo ...杂: miscellaneous; varied; sundr ...讯: interrogate; question界限: demarcation line; dividing l ...杂讯: white noise电讯界: telecommunication界限: 1.(分界) demarcation line; dividing line; limits; bounds; boundary; range; limitation 确定界限 fix the limit; 超越自由的界限 overstep the boundary of freedom; 打破行业界限 break the bounds of different trades2.(限度) limit; end 在这个界限内可任便。 within the limitation you are free to do as you choose草地杂草: meadow weeds; pasture weeds谷地杂草: cockle荒地杂草: beggarweed接地杂音: ground noise原产地杂交: provenance crossing大地: ground; earth; the earth; mother earth; the world 阳光普照大地。 the sun shines all over the world 白杂讯: awgn; white noise低杂讯: low noise热杂讯: resistance noise; thermal noise外杂讯: external noise杂讯比: psnr; snr杂讯灯: noise lamp杂讯管: noise tube总杂讯: overall noise背景杂讯，本底杂讯: background noise参考杂讯: noise reference电路杂讯: circuit noise高斯杂讯: noise gaussian
