主要成本

The primary factor has three: First is the labor force cost constant rise.

主要因素有三：首先是劳动力成本持续上升。

The research shows that the average freight price is a constant and the cost of production,the quantity and quality of demand are major factors which affect the relationship between the price and demand.

统计分析表明，平均运价是一个常数，不随货运需求和供给而变化；季节因素是造成运价短期波动的主要因素，产业生产成本特性、需求的数量和质量是影响运价与需求量之间作用关系的重要因素。

In this paper, we focused on the Thermal Power Generator unit commitment optimization. A mathematical model is presented and consuming minimization of generator is chosen for its objective function, with the power balance, generation capacity limits, maximum allowable start and stop times limits and time limits taken into consideration. The unit commitment optimization is constrained minimization problem.

本文主要对火电机组优化组合问题进行了研究，提出了机组优化组合的数学模型，该模型以发电总成本最小为目标函数，同时考虑了功率平衡约束、机组输出功率上、下限约束，机组最大允许启停次数和时间约束等约束条件。

The project is the cost center of construction company, also be the main source of profit.

项目是施工企业的成本中心，也是利润的主要来源。

But with the development of containerization and the increase of access methods over land, ports are in great competition now.

但是近年来，随着集装箱化的发展和深入以及陆上交通方式的方便快捷，各地的港口都处在激烈的竞争当中，时间、成本和服务成为港口竞争的三个主要方面。

The main factors that attribute to costs reductions are speed and flexibility incurred by containerization.

这些主要因素通过集装箱运输使其加快了成本削减速度和灵活性。

Higher prices are mainly due to cost-push, real estate generally enhance the quality, a temporary imbalance between supply and demand, supply is expected to decline in influence and foreign buyers continued to increase the proportion of reasons.

价格上涨的主要原因是成本推动，房地产质量普遍提高，暂时供求失衡，供应预计将下降的影响和外国买家继续增加的比例原因。

Corn flour as a main raw material for producing L-lactic acid, not only be able to improve corn's values in use, but also be able to reduce the production cost of L-lactic acid.

以玉米粉为细菌L-乳酸发酵的主要原料，不仅可以提高玉米的利用价值，而且可以降低L-乳酸的生产成本。

Rational control of die-cutting waste products in the course of production, is to reduce the cost of production for corrugated paper and a major issue.

合理控制模切过程中废品的产生，是降低瓦楞纸箱生产成本的又一个主要课题。

Recently, drug release research of insulin carrier has obtained some progresses, but we still face many difficulties, including low entrapment efficiency, limited absorption, immature evaluation method for preparation quality, difficult to control, high cost, destroy to absorption area, and effects on human organs.

近年来，胰岛素载体的释药性研究已经取得了一些进展，但面临的困难仍然很多，主要是包封率较低，吸收有限，而且制剂质量方法不成熟，剂量较难控制，成本较高，以及对吸收部位的损坏乃至可能对人体脏器功能带来影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。