Personal resume Currently, he is the deputy director and professor-level senior engineer of the Special Steel Research Institute of the Iron and Steel Research Institute of China Iron and Steel Resea...

Introduction Oil-drop experiment (Oil-drop experiment), is Robert Millikan and Harvey Fletcher (Harvey Fletcher) in 1909 A physics experiment conducted in 1988. Robert Millikan thus won the Nobel Pr...

Personal Information GenderMaleSourceAncient Greece Bible MeaningStrong, masculine, braveRelated nameAndy, Andre, Andrea, Ann, Anna Andrew, Andreas in Greek, Andesi in Germanic Si), nicknamed Andy (A...

Function The leakage protector is used to effectively protect the direct and indirect contact electricity of the low-voltage power grid. It can also be used as the phase failure protection of the thr...

Classification Electrical leakage protectors can be classified according to their protection functions, structural features, installation methods, operating modes, number of poles and lines, action...

Biographical life Michelson was born in Strzelno, a small town in Poland (Strzelno, then part of the Kingdom of Prussia), and his father was a Jewish businessman. When Michelson was only two years o...

Brief introduction "Modern Chinese Dictionary" is another important cultural project of Shanghai Lexicography Publishing House following the national project "Chinese Dictionary", which is listed in...

Introduction This is a medium-sized dictionary mainly for recording common discourses, for readers with a medium or above education level. There are more than 56,000 entries in the dictionary, includ...

Brief introduction The "New Modern Chinese Dictionary" has a unique style, diverse functions, and precise content. The style arrangement takes into account both scientificity and practicality. Each p...

Basic information Author: "New Modern Chinese Language Dictionary" Compilation Group Title: Publisher: World Book Publishing Company ISBN: Publication Date: 2008-08-01 Edition: 1 Pages: 780 Binding:...

Introduction The "Modern Chinese Dictionary" has been revised many times since its official publication in 1978 to adapt to the development of society, better reflect the new appearance of modern Chi...

Introduction to Cable TV CATV (Cable Television) for short Or fiber optic copper cable hybrid system. The earliest cable TV service appeared in 1948, when the cable TV network was used to realize th...

Basic introduction Currently, the production and broadcasting of TV signals have been digitized. Only the user’s signal reception is still in the analog stage, but users can use digital TV set-top b...

Basic overview IntroductionCable Modem access technology is developing rapidly in the world, especially in North America, with the number of users increasing at a rate of more than 100% each year. I...

Introduction China Cable has more than 40,000 kilometers of national radio and television optical cable backbone network, which connects more than 100 million cable TV users across the country, and i...

Definition Data block is a group of records arranged in sequence, between the main memory and the input, output device or external memory A unit of data for transmission. It is the physical record o...