Good controls and practices during primary production, processing, distribution and sale are all essential to the production of safe food.
初级生产、加工、分发和销售中良好的控制与操作，对安全食品的生产来说都必不可少。
If a primary key is specified in the CREATE TABLE statement, the first column of the primary key is used as the distribution key.
如果在CREATEtable语句中指定了一个主键，那么主键的首列会被用作分配键。
In Norway, poor physician distribution between urban and rural areas has been persistent, particularly in the north, where in 1997 a total of 28% of the primary care physician positions were vacant.
在挪威，城市和农村在医生分配上的差距一直存在，尤其是在北部地区。1997年，挪威北部地区有28%的初级保健医师职位是空缺的。
While data distribution is one of many design criteria, the primary focus should be on the business questions that will be posed by the business.
虽然数据的分布是许多设计标准之一，但关注的业务问题重点是由业务构成的。
The test shows that size distribution of feeding coal, volatile content and its release as well as the total air rate and primary air ratio will influence the post combustion in CFB boiler.
测试结果表明，影响后燃现象的主要因素是给煤的粒度分布、煤挥发分含量及挥发分析出规律，同时与炉膛内总风量、一二次风量的配比有关。
And the distribution of thermal stress is one of the primary factors.
而其热应力分布问题是其中的主要因素。
After a detail calculation and analysis, the reason that the flow distribution coefficient of a flow divider in the primary reheater was too small had been found.
在进行了详细的计算分析后，发现主要是由于低温再热器进口流量分配器流量分配系数太小所致。
These results show that the distribution of primary production was the result of the joint effect of ultraviolet and visible light.
初级生产力的这种分布是水体中紫外光与可见光共同作用的结果。
Public primary and middle school operate in a administrative mode. Organizational management has been forestalled by administrative power and distribution of resources incline to administrators.
公办中小学基本上是在行政管理的模式下运作，学校组织管理被行政权力垄断，资源分配向管理人员倾斜。
The wire and electric cable's choice is one of for in electrical power distribution system design primary coverages.
导线和电缆的选择是供配电系统设计中的主要内容之一。
The shape, size and located distribution of the primary sensory neurons ofthe jejunum and ileum in the cat were studied by the HRP method.
本文应用HRP逆行标记法研究猫空肠回肠初级感觉神经元的形态、大小和定位分布。
The upheaval zone in upper mantle is the primary factor controlling the distribution of gulch-gold mines and lode gold mines.
上地幔隆起区是控制砂金矿和岩金矿面式分布的主要因素。
Objective To Study the distribution of primary afferent fibers of the sciatic and pelvic nerves in the dorsal commissural nucleus (DCN) of the rat lumbosacral spinal cord.
目的观察大鼠坐骨神经和盆神经初级传入纤维在腰骶段脊髓后连合核内的分布。
One of the primary reason that caused the grid-scale flux deviation between model results and reality is the nonhomogeneous distribution of the land surface meteorology parameters.
地面气象要素的次网格分布是产生区域通量计算误差的主要原因之一。
Proposed distribution of charity as the primary means of the third, it should be standardized.
提出慈善作为第三次分配的主要手段，应将其规范化。
These formulas can be used quite simply to determine the spatial distribution of the anomaly of the primary field, which is very helpful in recognizing the characteristics of anomaly field.
利用这些公式，可以简便地用于判定一次电流场异常成分的一些空间分布规律，对于正确认识异常场的形态特征颇有益处。
Current was the primary factor to affect output, but the in-gas pressure is the main factor to affect the diameter distribution of nanometer iron powders.
电流是影响产率的主要因素，而充气压力是影响粒度分布的主要因素。
Himalayan tectonic deformation affected the whole South China, and controlled the final formation and distribution of nowadays 'primary, secondary and regenerated oil gas pools.
喜玛拉雅期构造形变波及整个南方，控制了现今原生、次生及再生烃油气藏的最终形成及分布。
The primary subject of social justice deals with the rational distribution of social rights and duties.
社会公正的基本内容是社会基本权利和义务的合理分配。
Aimed at a uniform distribution of driving torques, an optimization design of pass parameters is carried out for primary bar rolling mills.
以某棒材粗轧机组力矩均衡分配为目标，对各孔型尺寸进行了优化设计。
On that basis, the primary features of spatial distribution of the forest line in China and its relations with the permafrost limits and climatic snowline are discussed.
在此基础上研究了我国森林线的空间分布特征及其与多年冻土线、气候雪线的关系。
The concentration distribution of pulverized coal in primary air pipe is very important for advancing efficiency of boiler.
掌握煤粉锅炉一次风管中煤粉浓度的分布情况，对提高锅炉效率有很重要的意义。
In the end, the author makes out a sketch for the culture factors for further illumination about the distribution of the culture factors in the primary stage.
最后，笔者尝试性地研制出了一个文化因素简纲，以便进一步说明初级阶段文化因素的分布情况。
Power distribution system reconfiguration is one of the major ways to reduce network losses and improve reliability. It also is one of the primary functions of DMS.
配电网重构是配电系统优化运行的主要措施之一，也是配电管理系统（DMS）中的一项主要功能。
There are two types of primary activities concerning the production of products: production and distribution.
关于产品的生产，有两类基本的活动：生产与流通。
The distribution of W-1 cycle primary gray rock trending in EW direction was localized and its east end extends to Dure which area is one of the promising propective area.
同时乌伦古河组W-1旋回原生灰色岩石分布较为局限，大致呈EW向带状展布，并向东部延伸至杜热一带。
Finally, the distribution law of stress filed and the causes of goaf caving zone were analyzed according to the primary stress nephogram.
最后从主应力云图来分析了采空区内部的应力场分布规律及空区垮落带形成的原因。
There was prominent differences(P< 0.01) in distribution of collagen fiber and reticular fiber between group posthepatitic cirrhosis and group primary hepatocellular carcinoma.
肝炎后肝硬化组与原发性肝细胞癌外周肝硬化组之间胶原纤维和网状纤维分布的差异有极其显著性（P< 0.01）。
There was prominent differences(P< 0.01) in distribution of collagen fiber and reticular fiber between group posthepatitic cirrhosis and group primary hepatocellular carcinoma.
肝炎后肝硬化组与原发性肝细胞癌外周肝硬化组之间胶原纤维和网状纤维分布的差异有极其显著性（P< 0.01）。
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