水泥质量过程控制的几点建议--水泥工程杂志社 关键词：过程控制；生产波动；产品质量 [gap=703]Key words: process control; production fluctuation; production quality
基于20个网页-相关网页
agricultural production fluctuation 生产波动性
fluctuation in production [工经] 生产波动
fluctuation of grain production 粮食生产波动
periodic fluctuation of mine production 矿山生产周期性波动
Chapter 4 analyzed the structural features of grain production fluctuation and the relationships between the structure and the aggregate.
第四章借用方差分解的统计方法确定了粮食生产波动的结构特征以及结构波动与总产波动之间的内在联系。
参考来源 - 中国粮食生产与价格波动研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The article also analyse the influences of agriculture inputment, macroeconomic policy, natural disaster and grain distribution on grain production fluctuation in China.
文章还进一步分析了农业投入、宏观经济政策、自然灾害和粮食流通对粮食生产波动的影响。
While neither production nor consumption take place, but people are engaged in trade, to buy is to sell and make money from prices fluctuation, which is speculative.
既不生产又不消费，但是从事买卖，买进就是为了卖出，从价差中赚钱，这是投机性的。
Cyclical fluctuation of production and price is the main characteristic of pig industry.
生猪产业的一个主要特征是产量和价格的周期性变化。
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