per unit grain area 单位谷粒面积
grain drying unit 谷物干燥设备
grain unit 谷粒容重
grain unit scale 籽粒容重称
grain unit weight 子粒容重
per unit area grain yield 粮食耕地单位面积产量
grain cleaning unit 清粮装置
standard grain of unit 单位标准粮
We must protect primary farmland, keep the area sown to grain stable, improve the structure of grain varieties grown and increase the per unit area yield of grain.
要保护好基本农田，稳定粮食播种面积，优化粮食品种结构，着力提高粮食单产。
To test reliability of the simulated program, ventilation drying tests on maize and rice under certain drying conditions were conducted by using the grain ventilation unit.
为了验证模拟程序的可靠性，在一定干燥条件下利用自制的谷物通风干燥装置对玉米、稻谷做了通风干燥试验。
Grain orientation within the intertidal beach unit is characteristically more-or-less normal to the coastline.
在潮间海滩单位内，颗粒排列方向的特点是大体上垂直于海岸线。
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