Firstly, based on Cooperative Co-Evolutionary Algorithm ( CCEA) framework, decomposed the problem to reduce the difficulty in solving it.

The design principle of preform structure and the formation technology of three kind of preform are included for carbon-carbon composites nozzle exit cone ( CCEC), the influence of the preform structure upon the properties of CCEC is also discussed.

介绍了喷管炭/炭材料出口锥（CCEC）预制体结构的设计原则、3种预制体成型技术，并简要讨论了预制体结构对炭/炭出口锥材料性能的影响。

⑷ Put forward the idea of integrating the advantaged business to be listed, and designed relative programs, to open the direct financing channel, and provide financial support to the sustained development of CCEC.

⑷提出了整合优势业务上市的思路，并制定了相关方案，以打通直接融资渠道，为成都建工的持续发展提供财力支撑。

Chongqing Commins ( CCEC) engines are small, light, reliable in working, and convenient to get fittings and to maintain, and also low in fuel consumption.

重庆康明斯发动机体积小、重量轻、油耗低、工作可靠，配件供应及维修方便。

The second chapter analyses the external environment of CCEC through its macro-environment, industry environment and operation environment, discusses the possible opportunities and threats that such external environment may bring.

在第二章，对成都建工所处的宏观环境、产业环境、运营环境等三个层次的外部环境进行了分析，探讨了外部环境变化可能存在的机遇与带来的威胁。

In addition, at the end of July, I was able to spend three weeks living with a high school student who was visiting CCEC from Hong Kong.

另外，于七月尾的时候，有三星期的时间跟一位来自香港的中学生住在一起。

CCEC and SCEC management inspect Shun Fung's CCS recognized marine genset testing system.

重庆康明斯和深圳崇发领导视察顺风公司的CCS认可船用发电机试验系统。

Speed the construction of China Commerce Exchange Center ( CCEC) and resolving the chaos in the commerce circulation fields.

第三，加快中国商品交易中心（CCEC）的建设，彻底解决商品流通领域的混乱局面。

There are obvious permeability differences in different age of converting cropland to forest, the most infiltration rate of soil of CCFG is 11.37 times of cropland, the infiltration deepness is 10.59 times of cropland in the same quantity of infiltration water.

不同退耕年限土壤的渗透性能存在差异，同样渗水量退耕还林土壤最大渗透速率是农耕地的11.37倍，渗透深度为10.59倍。

In this paper, the historical course of the Cropland Conversion to Forest and Grassland ( CCFG) is divided into four development stages: call and mobilization stage, experiment and demonstration stage, project construction stage and later consolidation stage.

研究表明，中国退耕还林进程可划分为4个阶段：号召动员阶段、试点示范阶段、工程建设阶段、后期巩固阶段。

The Eucalyptus grandis plantation as a kind of tree for the Cropland Conversion to Forest and Grassland ( CCFG) has a good ecological and economic benefit.

巨桉作为优良的退耕还林（草）工程和脆弱生态系统恢复树种，表现出良好的生态效益。

First, subsidizing standard is relatively high, compensation by a large scale for a long time is difficult to support, it will also twist the goal of CCFG.

即补助标准总体较高，长期大面积补偿，国力难以支撑，还会扭曲退耕还林还草的目标；

The Cropland Conversion to Forest and Grassland ( CCFG) is an unparalleled measure implemented by the state government to improve the environment of Western China.

退耕还林还草工程是我国为改善西部地区恶化的生态环境而采取的一项空前的重大举措。

There is a harmonious problem between Conversion of Cropland to Forest and Grassland ( CCFG) policy and food problems.

退耕还林政策与粮食问题始终存在着一个协调的问题。

CCFM series vibration rolling machines use external vibration roller compacted molding technology.

CCFM系列振动碾压成型机采用外置式振动碾压成型技术。

According to the preliminary statistics by the State Forestry Administration ( SFA), from 1999 to 2006, CCFP has been involved in more than 30 million farmer households and 100 million farmers.

据国家林业局初步统计，从1999年到2006年止，退耕还林工程现已涉及3000多万农户、1亿多农民。

Cropland Conversion to Forest Project ( CCFP) is the greatest scale ecological projects and it is also the ecological project with the most extensive and most complicated working procedure among the projects in our country.

退耕还林工程是我国投资规模最大、涉及面最广、工序最复杂的生态工程。

The Conversion of Cropland to Forestland Program ( CCFP) is by far the most widely participated in the ecological construction in China with numerous farmer households.

退耕还林工程是迄今为止我国农户参与面最广的一项生态建设工程。

Chapter Six analyzes the farmers' participation in decision-making, the behavior choice and behavior incentive mechanism in CCFP.

第六章剖析了农户参与退耕还林的行为决策、行为选择及行为激励机理。

Chapter Three outlines the progress of CCFP to analyze the mechanism for the implementation of the program.

第三章概述了退耕还林工程进展情况，并分析了退耕还林工程的实施机理。

These suggestions are of great significance in promoting the sustainable development of the CCFP program in China.

上述建议对于促进退耕还林工程的可持续发展具有一定的借鉴意义。