ohn
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Active noise cancellation headphones consumption or rigid demand?

Data show that the noise level rapid 3d prototyping at bus stops and subway entrances is 84-86dB, while the noise level in buses, subway stations and ...

ohn 3 Jun 12,2022 Read...
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Do I need a receiver for ceiling speakers?

Passive In-Ceiling Speakers Need to be Connected to a Receiver or Amp. Most commonly, in-ceiling and in-wall speakers will be passive speakers. This m...

ohn 9 Jun 07,2022 Read...
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Using IoT to improve energy efficiency in data centers

The important role of the data center.

ohn 6 Jun 01,2022 Read...
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Icey/ Aug 25,2021

What is Rapunzel? What are the manifestations?

Rapunzel syndrome is a syndrome of hair and stone intestinal obstruction. Patien...

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Irene/ Feb 24,2022

How do payment gateways work?

Payment gateways are an ambiguous topic. To help you better understand what they...

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Christina/ Jun 08,2022

A typical narrowband IoT technology architecture is a three-laye...

Sensing layer, network layer, and application layer.

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