CDAC

Volunteers are recruited and trained to act as family Befrienders to maintain regular contacts with the families and assist them in meeting the objectives of the CDAC workfare programme.

华助会将招募和培训义工担任义务家庭辅导员，定期与个案家庭保持联系，以协助他们达到华助会就业援助计划的目的。

CDAC sponsorship is for the course fees.

华助会的赞助只限学费。

The graphic lines represent the two parties for which the CDAC is striving to help: the less capable and lower income group and the academically weak students.

图案线条代表了自助会的两个协助对象：工作能力及收入低的人士和成绩不理想的学生。

Based on electronic scan constant difference amplitude comparison direction measurement ( CDAC) theory, the error formula of constant different amplitude comparison direction measurement in radar interception system of UAV is discussed under the condition of decoy.

在分析电扫恒差比幅测向原理的基础上，讨论了设置诱饵情况下无人机截获系统测向的误差；