ground mass 基料 ; 石基 ; [岩] 基质 ; 撒粉着色
additional pollutant ground mass concentration 污染物地面附加质量浓度
ground rock mass 地面岩体
mass ground control 集中引导
ground-state mass of nuclide 原子核基态质量
ground state baryon mass 基态重子质量
plant mass above ground 草地地上部产草量
同义词： groundmass
以上来源于: WordNet
N the matrix of igneous rocks, such as porphyry, in which larger crystals (phenocrysts) are embedded 基质
Another way of countering drought is to have a limited amount of mass above ground and to have extensive root networks below ground.
对付干旱的另一种方法是在地面上种植特定数量的植物，并且确保地下有广大的根系网络。
Snow falls as hexagonal crystals, but once on the ground, snow is soon transformed into a compacted mass of smaller, rounded grains.
雪以六角形晶体的形式落下，但一旦落到地面，雪很快就会变成一团更小、更圆的颗粒。
Mark Zumberge: Basically a seismometer is a box with a spring with a mass hanging inside, and as the ground shakes the mass goes up and down.
马克•藏伯格：地震仪的基本模型是一个箱体，箱内装置弹簧，弹簧上悬挂重物，地震来临时，重物在竖直方向上振动。
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