The company website says the larger study was initiated after a mid-stage test suggested improvement in survival.
改公司网站上称，基于中期实验积累的成功经验，更大规模的研究已经开始。
2
A field experiment was conducted to study the nutrient balance and economic benefit on winter-wheat and rice system with mid-stage effluent of ammonium sulfite method irrigation.
通过田间实验，研究亚铵法制浆中段水经土地处理的同时作为灌溉用水的农田养分平衡状况及经济效益。
3
When performing, he positions his instruments in a way that is deliberately inconvenient, so that switching from guitar to organ mid-song involves a mad dash across the stage.