| 释义 |
bead testn.Chemistry（名词）【化学】- A test to identify the metal constituents of a mineral in which a bead covered with the mineral is heated in a flame and cooled to observe its characteristic color and other properties.珠子化验：用来鉴定矿物中金属含量的化验。用火加热并冷却被矿物包裹的珠子，以便观察其颜色特性和其他性质
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