yán / jiū / rén / yuán / zhèng / zài / guān / chá / yáng / jiǎo / qín / zài / bù / tóng / tǔ / rǎng / zhōng / de / shēng / zhǎng / qíng / kuàng研究人员正在观察羊角芹在不同土壤中的生长情况。Researchers are observing how ground-elder grows in different soils.