observational synthesis是什么意思

用法例句

An euhedral crystal inclusion of silicate in Os-Ir-Ru alloy from podiform chromitite occurs at the Luobusa ophiolite, Tibet.

笔者最近在西藏罗布莎蛇绿岩块豆荚状铬铁矿的Os-Ir-Ru合金中,发现自形晶的玻安岩质的包体群。