Meaning The user's data link service provides a unified interface for the network layer through the LLC sublayer. Below the LLC sublayer is the MAC (Medium Access Control) sublayer. This sub-layer i...

Software technical indicators are divided into "functional indicators" and "non-functional indicators".1. Functional indicators, that is, the various functions and uses that the software can provide;&...

Introduction This book is developed with 10 stock market technical indicators as the core, expounding in detail the principle, usage and actual combat skills of each technical indicator, and strive t...

Economic significance Technical and economic indicators are important tools for planning, organizing, managing, directing, controlling, supervising and inspecting production and business activities....

definedh2> Stock Technical indicators belongs to the category of statistics, all the data to prove the stock trends, such as the sale. Indicator mainly divided into three categories:p> 1, ar...

Introduction For example, in a spot gold market superimposed in the European and American markets one night, the price began to rise from 1240 yuan at 20:30 in the evening to 1255 US dollars at 21:1...

Product introduction Users can use computers and mobile phones to monitor and manage monitoring targets in real time regardless of time and location. It provides a brand-new, intuitive, and expanded...

Introduction The auxiliary electrode is also called the counter electrode. It is only used to pass current to achieve the polarization of the research electrode. When studying the cathode process, t...

Main function The 300V direct current is turned into pulse current through the auxiliary power switch tube, and two sets of AC voltage are output through the auxiliary power transformer. One way is...

Main functions 1) Realize the dynamic monitoring and management of running vehicles, and display the dynamic running status of vehicles in real time and accurately through the GIS platform, including...

Switch definition Auxiliary switch refers to a switch that contains one or several control (or) auxiliary contacts that are mechanically operated by a switch device. The circuit breaker relies on it...

Overview On the semiconductor substrate, there are: a plurality of pads arranged at the edge of the circuit block and a plurality of pads extending from the circuit block to between the pads Multipl...

Introduction Generally speaking, a chip can perform some all functions or sub-functions in a large combination, such as the radio frequency subsystem of a mobile phone, or a DVD player. Take the dat...

Overview Integrated circuit, English is Integrated Circuit, abbreviated as IC; as the name implies, a certain number of commonly used electronic components, such as resistors, capacitors, transistor...

Features and applications Compared with thin-film hybrid integrated circuits, thick-film hybrid integrated circuits are characterized by more flexible design, simple process and low cost, and are es...

ClassificationAccording to the concentration and distribution of component parameters in the passive network, thin film integrated circuits are divided into two types: concentrated parameters and dist...