At the end, the research on the hardware design and algorithms of the second-class frequency standards system which has the holdover and keeping function are discussed in this paper.

最后对实现具有驯服保持功能的二级频标系统的硬件组成及软件算法进行了研究。

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This program has 16 phases in total, with each phase having between 20 and 30 classes. Progression made through the course and class frequency is based on the individual circumstances of each student.

本课程共16个阶段，每个阶段需要20至30次课，可根据学员的特点和进步情况配备对应的课堂次数。

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Fortunately, Lucene's IndexWriter class exposes three parameters to let you adjust the size of the buffer and the frequency of the disk writes.

幸运的是，Lucene的类IndexWriter提供了三个参数用来调整缓冲区的大小以及往磁盘上写索引文件的频率。

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The Hitachi Sound Bars feature four high efficiency full range speakers and two high frequency tweeters with state-of-the-art Class D digital amplifiers.

ENGADGET: Hitachi intros UltraVision LED TVs with Roku-ready HDMI, freshens Value TVs and sound bars for the fall