... 自动频率控制(AFC) 锁相环路(PLL) 直接模拟频率合成法(DAFS) ...
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For example, the Peace Development Fund houses DAFs for donors interested in creating systemic social change throughout the Americas.
FORBES: How To Find The Right Donor-Advised Fund (And Why)
Many in the field expect the popularity of DAFs to continue to grow as the Baby Boom generation reaches retirement.
Today there are approximately 30 national organizations that sponsor DAFs.
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