diurnal variability昼夜: day and night; round the clo ...差异: difference; divergence; disc ...性: nature; character; dispositi ...差异性: differentiation; disparity; diversity; heterogeneity; otherness差异性沉降: differential subsidence下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:昼夜差异性，即可在微信中查询翻译
