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1. Apics cltd
2. Can someone explain the English abbreviations and their Chinese meanings. Its like MHz, GHz, and so on!
MHz: Megahertz, is a unit for measuring the frequency of electromagnetic waves, which can oscillate 3.4 million times per second. GHz: Gigahertz, also a unit for measuring the frequency of electromagnetic waves, capable of producing 1 billion oscillations per second. Other abbreviations include: GB: Gigabyte, which represents the unit of computer storage capacity. MB: Megabytes, also a unit that represents the storage capacity of a computer. TB: Gigabyte, representing a computer storage unit with larger storage capacity. LCD: Liquid Crystal Display LED: Light Emitting Diode HDMI: High Definition Chu Du Multimedia Interface USB: Universal Serial Bus VGA: Video Graphics Array CPU: Central Processing Unit RAM: Random Access Memory
3. PESA English Introduction
PESA is a unique radar system and also a water treatment chemical. The following is its English introduction: As a radar system: Definition: PESA stands for Passive Electronically Scanned Array radar, which features a single central transmitter and a receiver. Operation Principle: Unlike Active Electronically Scanned Array radars, PESA distributes highfrequency energy to each radiator of the antenna array automatically by a computer. The reflected signals from targets are amplified uniformly by the receiver, similar to the operation of conventional radars. As a water treatment chemical: Characteristics: PESA exhibits multivariate scale inhibition and corrosion inhibition properties. It is phosphorus and nitrogenfree, effectively inhibiting and dispersing scaleforming substance


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