single-seed spacing unit 单粒精密排种装置
seed and fertilizer unit 播种施肥联合机组
seed spacing unit 单粒精密排种装置
single seed spacing unit 单粒精密种装置
seed-and-fertilizer unit 种子肥料联合施播机组
For example, to unit test an object that USES a database, it may be burdensome to install, configure, and seed a local copy of the database, run your tests, then tear the local database down again.
例如，要单元测试一个使用数据库的对象，安装、配置和发送本地数据库副本、运行测试然后再卸装本地数据库可能很麻烦。
The results indicated that the grain per spike, seed setting rate, spikes per unit area and thousand grain weight had great contribution to the yield, especially grain per spike and seed setting rate.
结果表明：每穗粒数、结实率、单位面积穗数与千粒重对优质稻产量形成贡献较大，尤其是每穗粒数、结实率；
The thinning intensity and seed production per unit area wereclosely interrelated;
疏伐强度与母树林单位面积产种量相关密切；
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