broadcaster是什么意思

用法例句

Study on the Broadcast Cultivation Technique in Rape Ⅵ.Demonstration of the broadcast cultivation technique on a large acreage;

油菜撒播轻型栽培技术研究 Ⅵ.油菜撒播轻型栽培技术的大面积示范

The different broadcasting time before and after rain were tested in rice and upland fields to investigate the effect on seedling rate of Youyan 10.

通过在旱作地和稻田不同茬口模拟雨前、雨后不同土壤环境采取不同的农艺措施撒播油菜,结果表明:稻田茬口撒播油菜出苗率比旱作地撒播的出苗率高7。