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.

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。

CCFP in effective monitoring and evaluation is a close concern of the community.

退耕还林工程效益的监测与评价是社会各界密切关注的问题。

This paper presents an innovative concrete filled steel tubular ( CFT) column system, named as confined CFT or CCFT, for improved seismic design of steel and concrete composite structures.

提出一种适用于抗震设计的新型钢管混凝土体系：约束钢管混凝土柱体系。

The use of circular concrete-filled tube ( CCFT) coloumns composite structures become wide because it is of superior seismic performance, which requires us to create seismic performance assessment criteria.

钢管混凝土组合结构因为其优异的抗震性能，使用越来越广泛。这也要求我们建立相关的抗震性能评估准则。

In order to further apply centrifuge concrete-filled steel tube structure to other engineering fields, the development of fundamental study on design theory for CCFT structure will have significant effects on the new subject.

为了将离心钢管混凝土结构进一步应用于其它基本建筑领域，并使其成为一个完整的结构体系，开展离心钢管混凝土结构的设计理论基础性研究，具有重要的理论和实际意义。

By using local confinement in the plastic hinge region, A CCFT column can acquire improved ductility compared with a CFT column under cyclic loading.

它通过在方钢管混凝土柱的塑性铰区域设置局部约束以有效提高柱在往复荷载作用下的延性，克服传统方钢管混凝土柱由于局部屈曲而导致的延性不足的抗震缺陷。

The study concluded that the capacity of CCFT decreased sharply with the increase of fire time and the capacity was almost directly proportional to the temperature distribution.

研究表明，短柱在火灾下与火灾后的极限承载力随升温时间的增加而剧减，承载力与温度场的分布基本上成线性关系。

Test results show that: because of the local confinement, CCFT columns demonstrated significant ductility and energy-dissipation capability;

试验结果表明：局部约束可有效提高柱的延性，增加柱的耗能能力；

This paper presents a new type of CFT column named CCFT column ( confined concrete filled tubes).

提出了一种新型方钢管混凝土柱结构形式：局部约束方钢管混凝土柱。

The results demonstrate DNA methylation events occur frequently in navel oranges; methylation patterns vary among the cultivars, and the external cytosine methylation of the CCGG sequence ( 15.0%) is more than internal one ( 4.7%).

结果显示DNA甲基化在脐橙中发生频繁，且品种之间的甲基化模式存在较大差异，脐橙CCGG序列中胞嘧啶甲基化外部（15.0%）多于内部（4.7%）。

4.7%-15.0% DNA methylation events were detected in the CCGG sequence of navel orange genomes.

结果表明，脐橙基因组的CCGG序列中检测到4.7%～15.0%的DNA发生甲基化；

By regulating the clock controlled genes ( CCGs), clock genes regulate many physical functions.

生物钟基因可以通过调节下游的钟控基因（clock controlled genes，ccgs）调节多项生理功能。

Christians, who would like to be involved in the Herald Cancer Care Network, or becoming a caregiver volunteer or prayer partner, please contact CCHC local offices or the Program Director.

有意参与「角声癌友关怀网」事工或成为关怀使者或代祷者的华人基督徒，请与角声各地办公室或事工主任接洽。

This gene was a CCHC protein with 6 putative functional domains.

BmZFP氨基酸序列推测有6个功能结构域，是一种CCHC型锌指蛋白。

The facility will house up to400 researchers from UNSW and the Children's Cancer Institute Australia ( CCIA), to become one of the largest dedicated cancer research centres in the Southern Hemisphere.

该设施可容纳高达400个来自新南威尔士大学与澳大利亚儿童癌症研究所（CCIA）的研究人员，将成为南半球最大的专业癌症研究中心之一。

The Computer and Communications Industry Association ( CCIA) said the March ruling by the European Commission was fair.

电脑和通讯行业协会（CCIA）公开声称欧洲委员会三月份的裁决是公正的。