中国华电集团有限公司电煤竞价平台是中国华电集团有限公司统一规划建设的专业化平台，平台覆盖华电集团所属电厂市场煤采购及运输业务，是华电集团各单位市场煤采购的交易平台，是华电集团提升市场煤采购管理、强化过程监督，优化供应商资源的管理服务平台。

Producing high-resolution sound ranging from 5 Hz to 40 kHz thanks to a new 50mm driver, they’re ideal for DJ monitoring, delivering clear left and right channel separation as well as greater separation of rich bass tones and crisp mid to high frequencies.

Choose the HDJ-CUE1 for a pro look and feel, rich sound, compact and flexible design, and high-quality finish. Enjoy specialist sound tuning inherited from the pro-level HDJ-X5; perfectly hear low frequencies in the bass and kick drums so you can mix precisely and know exactly what your friends will hear when you drop the next track.

All the HDJ-X headphones feature a refined look and durable construction. Choose from black or silver versions to complete your desired look. A compact carry pouch fits snugly around your folded headphones to save space in your luggage and reduce the risk of damage on the road.

Hear your tracks loud and clear in the booth and on the move with the HDJ-X5. By taking on board feedback from DJs and analysing many different styles of monitoring, we’ve made sure our new DJ headphone range includes all the features needed for performing at every level.

We’ve designed a new range of DJ headphones to create the HDJ-X10, HDJ-X7 and HDJ-X5, offering brand-new headphone experiences to suit every DJ. ...more. For more inf...

Stay on top of your game with our flagship HDJ-X10 over-ear headphones. Refined with input from professional DJs, they’re durable and flexible to serve you while monitoring at festivals, clubs and everywhere in between.

2021年7月18日 · 一般常用IIS有32Fs、64Fs、128Fs三个规格：32Fs即16bit规格，BCK=32LRCK（即32Fs）、64Fs即32bit规格，BCK=64LRCK、128Fs即64bit规格，BCK=128LRCK。 数字音频IIS信号也可以只包含BCK、LRCK、SDATA三个信号；

2023年11月20日 · 官网 https://hdjj.cbpt.cnki.net/WKG/WebPublication/index.aspx?mid=hdjj. 知网 http://navi.cnki.net/knavi/JournalDetail?pcode=CJFD&pykm=HDJJ. 先说优点，无论是编辑部还是审稿人速度都很快，10天送外审，3天外审返回。 接下来是缺点。 第一，审稿人态度问题，审稿人审稿时间就是当天接稿当天拒稿，压根没有仔细看，对文章的贡献根本不了解。 并且缺乏学术水平，对内生性问题根本不了解。 典型的就是对文章的理论机制没有看就直接质疑机制分析实证 …