about 2000 libraries let students use Tutor.com without cost.

Simulation results demonstrate that the cost of the ground-holding model can be controlled by quantificationally analyzing the cost of flight delays.

仿真结果表明，对航班延误成本进行定量分析，能够更有效地控制航班延误的地面等待成本。

Even if oil prices return to less scary levels, the cost of transportation and the delays created by extended supply chains all have to be taken into account.

即使油价回落到不那么让人惊慌的水平，也需要考虑运输成本以及供应链延长所致的拖延。

And reduce the cost of risk of schedule delays, quality factors, and provide a valuable reference for ideas and for the basic level public financial management.

而且降低了因工期延误、质量因素造成的成本风险，并且为以后的基层财政管理提供了宝贵的借鉴思路。

Cost Analysis of Flight Delays and Simulation in Ground-Holding Model

航班地面等待模型中的延误成本分析与仿真

The model for the single unit ground-holding problem is established and the cost of flight delays is systematically analyzed.

研究了航班地面等待模型中延误成本的计算问题。

Then the algorithm for calculating the conspicuous cost of flight delays is given and applied to the model.

建立了单元受限地面等待问题的数学模型，分析了航班延误成本的构成，给出了航班延误显性成本的计算方法，并将其应用于数学模型中目标函数的计算。

The$ 496m charge on the military contract covers the cost of delays, including penalty payments, for 10 early-warning and control surveillance aircraft to be supplied to Australia and Turkey.

4.96亿美元的军品合同支出，涵盖了供应澳大利亚和土耳其的10架早期预警和监控飞机延迟交货的费用，包括波音为此支付的惩罚性款项。

Volume size and cost of installation of a better correlation, the relative size of size, volume size includes the vertical size factor.

体积尺寸与安装工程造价相关性更好，相对面积尺寸，体积尺寸还综合了竖向尺寸因素。

The federal government also chips in with a tax credit of30% of the cost of installation.

联邦政府也积极响应，给安装费用提供30%退税津贴。

Flexible network construction, reduce the cost of installation and maintenance, convenient for network management;

网络结构灵活，降低运营建设和维护成本，便于管理；

User can reduce the cost of installation cost greatly.

用户可大大降低设备投资成本。

The smart home based on wireless technology not only cast off the restraint of line and reduce the cost of installation, but also made the extension of system enhance much.

基于无线网络技术的智能家居不仅可以摆脱线缆的束缚、降低安装成本，而且系统的扩展性也有了大幅度的提高。

This represents up to15% of the total cost of installation.

占整个系统安装成本的15%。

Many parts are made of sheet metal in electric equipment, this framework can both decrease the weight of the electric equipment and reduce the cost of manufacture.

电子设备中许多结构零件都是采用金属薄板制成的，这种板式结构既可减轻电子设备的质量，又可降低加工制造的成本。

The increment of large generator-transformer units capacity can reduce the cost of manufacture and electricity generation, and improve the efficiency of electricity generation.

发电机组容量的增大，可以降低单位造价和发电成本，提高发电效率。

It can construct different three section protection curves without changing the hardware circuit, the reliability is greatly improved and the cost of manufacture is saved.

依据以上设计思想的产品适应性强，无需改变硬件电路即可构造多种不同的三段保护曲线，可靠性高指标大大提高而且节约了制造成本，同时更符合现代配电、用电设备的要求。

Analyze and make improvements to day-to-day production activities in order to achieve maximum utilization of resources, high product quality and low cost of manufacture.

对日常生产活动进行分析和改进，以达到最大限度地利用资源、降低制造成本，并保证产品的高质量。

Research on Technique of Cold Extruding a New Type of Bit of Low Cost of Manufacture

新型低造价小钻头冷挤压工艺的研究

But coins tend to attract a markup, based on both scarcity value and the cost of manufacture;

但是基于稀缺性和制造成本问题，金币价格有上涨趋势。

Size and tolerance design of products not only influence the quality but also play a significant role in determining the cost of manufacture.

产品的尺寸和公差设计不仅影响着产品的质量，也对产品的制造成本有着决定性的作用。