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。
If the subsidy is provided according to taxed farmland area, farming households will likely reduce grain production with the adjustment of agricultural structure.
如果按照农田计税面积补贴，随着农业产业结构的调整，农民很可能会减少粮食生产。
The quality of rice grain is characterized by the component, structure and accumulation of starch.
水稻稻米淀粉的组成、结构与积累是稻米品质与产量的决定因素。
The structural features of an alloy (e. g., grain and phase structure) that are subject to observation under a microscope.
在显微镜下观察到的某合金的结构特征(例如：晶粒和相的组织结构特征)。
The fine grain structure was built in the forging process, and the physical properties of the metal were improved.
锻件过程建造了精致的颗粒结构，并改进了金属的物理属性。
The individual crystal units comprising the aggregate structure where the crystalline orientation does not change. The grain boundary is where these individual crystal units meet.
构成总的结构的单个的晶体个体，而晶体的方位并没有发生变化。晶界是这些单个的晶体单位相遇的界限。
Forging refines the grain structure and improves physical properties of the metal.
铸造细化金属的晶粒组织、改善其物理性能。
It shows that BTS polar glass ceramics with grain orientation structure have a potential application in SAW devices for their high SAW coupling coefficient and low temperature coefficient of delay.
这种具有晶粒定向结构的BT S极性微晶玻璃，具有较高的机电耦合系数和低的延迟温度系数，在声表面波器件上具有潜在的应用价值。
Described are the technical performance parameters, structure features, testing of the movable grain hopper car exported to Sudan.
介绍了出口苏丹活动粮食漏斗车的技术性能参数、结构特点和试验情况。
The microstructure and fine structure of weld fusion zone for high strength fine grain steel were studied.
研究了高强度细晶粒碳素钢焊接接头熔合区附近的显微组织及精细结构。
The results show that in the presence of small amount of sulphite, the structure of developed grain changes from compact to filamentary and etch pit can be found.
结果表明，少量亚硫酸盐的加入使显影后的银颗粒从紧密结构变成粗银丝结构，并且发现有生成侵蚀坑的现象。
The paper introduces ecological environment situation of western storm sand area in Tieling city , including village , population , cultivated land , agriculture , soil structure and grain yield .
本文介绍了铁岭市西部风沙区生态环境现状，包括村庄、人口、耕地、农业、土壤结构、粮食产量等状况。
After the structure separation completed, the grain size and shape factor increased with the increase of the heating time.
组织分离完成之后，晶粒的尺寸和形状系数随时间逐渐增大。
Finally, some policies were provided in order to accelerate grain yield and optimize spatial structure of grain production.
最后提出了促进粮食生产稳定增长，优化其空间结构的政策建议。
While working to increase agricultural output, we also need to improve the structure of grain varieties grown and promote a constant increase in the production of important agricultural products.
农业生产既要增加总量，又要优化品种结构，促进各类重要农产品稳定增长。
The grain structure and magnetic properties of ribbons prepared by rapidly quenching technique have been studied and discussed.
研究并讨论了快冷技术制备的薄带的晶粒结构及磁性能。
Imaging with scanning transmission electron microscopy showed that the atomic grain-boundary structure had dislocations that had very similar arrangement.
扫描电子显微镜图像显示这两种晶界原子结构中的位错排列十分相似。
Coarse grain and differ the stone material of a structure its exterior effect is poorer.
粗粒及不等粒结构的石材其外观效果较差。
Among aluminium alloy indirect extrusion producing period, various process condition influence different result to the coarse grain structure.
铝合金反向挤压过程中，不同的挤压工艺条件对粗晶组织将产生不同的影响。
Stochastic parameter sensitivity of SRM grain structure was analyzed based on viscoelastic stochastic finite element method(VSFEM) and polynomial regression model.
基于粘弹性随机有限元法（VSFEM）和多项式回归模型，分析了固体火箭发动机药柱结构的随机参数灵敏度。
The X ray diffraction and scanning electron microscope analyses show that the product possesses crystal structure, and the crystallized grain is rectangular and fusiform.
射线衍射和电镜扫描分析表明碳酸稀土产品属晶型结构，为长方体和纺锤形状结晶。
Sodium fluoride destroys metal crystalline grain forming the small cellular structure it convenient for membrane imbed among them.
氟化钠破坏金属晶格形成微小的蜂窝状结构，从而便于涂膜嵌入其中，达到增强涂膜附着力的目的。
Horizontal layer structure of turtle grain stone, ravines crossbar, vistas of picturesque YouChang.
横层结构的龟纹石则沟壑纵横、逶迤连绵，意韵幽长。
The grain structure of different loess types, diffluent salt gypsum, gypsum content and carbonate of lime content, are the influencing factors of CBR value of loess filler.
不同类型的黄土具有不同的组成结构、易溶盐、石膏和碳酸钙含量，影响黄土填料的CBR值。
To break down the eutectic carbide network of A-cast structure with grain size 4-5 grade, tensile strain of 60% is needed.
当铸志晶粒度力4 ~ 5级寸，破碎晶炭化物组织需要有60%以上的拉应变。
And distinct grain structure and pores are also found in outburst coal.
热变质突出煤以各向同性结构、细粒一中粒镶嵌结构和气孔为主。
With decreasing grain sizes, its crystal structure, ferroelectricity and phase transition temperature all indicated the character of size effect.
随着晶粒尺寸的减小，它的晶体结构、铁电性和相变温度等都表现出尺寸效应。
The hardware structure of grain moisture measuring instrument was developed based on AT89C52 single-chip computer.
给出了以AT89C52单片机为核心的谷物水分测试仪的硬件组成，并详细介绍了信号处理和测量方法。
From the aspects of grain size, impurity shape and size, structure type and so on, the control or influence factors of pipeline toughness are discussed.
本文从晶粒尺寸、夹杂物形态和大小以及组织结构类型等几个方面论述了管线钢韧性的控制或影响因素。
With the secondary duplicated model structure with high magnification, the surface grain structure of LF6 aluminum alloy superplastically deformed is observed.
借助于高放大倍率的二次复型组织，观察了LF6铝合金超塑变形后的表面晶粒组织。
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