低: low梯度: gradient; grad大气: atmosphere; air breath; heav ...变密度大气: varying density atmosphere; varying-density atmosphere高密度大气: high-density atmosphere大气梯度: atmospheric gradient大气压力梯度: baric pressure gradient大气折射率梯度: gradient of atmospheric refractive index大气折射指数梯度: atmospheric refractive index gradient大气电势梯度变化图: electrogram地球最大大气梯度线: earths line of maximum atmospheric gradient梯度: [物理学] gradient; [数学] grad高度大: high rise structure印度大: east india house大气无线电折射率垂直梯度: atmospheric refractivity gradient大气: 1.(地球周围的气体) atmosphere; air2.(呼吸; 沉重的呼吸) breath; heavy breathing 跑得直喘大气 breathe heavily from running; 吓得连大气也不敢出 catch or hold one's breath in fear变化幅度大: vary within wide limits; varywithinwidelimits东印度大楼: east india house风度大方: have an easy manner角度大小: angular dimension粒度大小: granule size; granule-size密度大的: compact; dense; high density难度大的洞: tricky hole年度大会: annual general meeting年度大检查: annual general inspection