Brief introduction The content of "Social System Engineering Methodology" is divided into two parts: The first part explains the inevitability of the development of social systems engineering from th...

Introduction Magnetic recording materials refer to the use of magnetic properties and magnetic effects to input (write), record, store and output (read out) images, digital And other information of...

In the early 1990s, Chang Yuan, a Chinese social system engineering expert, put forward during a number of training courses for the secretaries of the prefectural/municipal legal committees and judic...

Social engineering behavior Hackers define this (social engineering) as non-computer (generally referring to machinery) and non-BUG, and instead use other (such as interpersonal relationships) and e...

Basics SoftswitchSoftswitch technology is the core technology of NGN network, which provides call control and control for the services of next generation network (NGN) with real-time requirements C...

Power electronic system applications In the field of power electronics, with the maturity of high-frequency inverter technology, traditional high-power linear power supplies have begun to be replace...

Introduction Fe-Co soft magnetic alloy refers to iron-cobalt binary or ternary soft magnetic alloy with high saturation magnetic induction intensity. Features Because the iron-cobalt binary alloy h...

(1) For cold-rolled strips, see Table 8-75-Table 8-77 Table 8-75 Soft magnetic alloy cold-rolled strip size and thickness tolerance (mm) Thickness allows deviation width length ≤ 0.015 ±O. 00015 1o -4...

Cause The magnetism of a substance is related to its internal electronic structure. The electrons in the atoms of diamagnetic metals are all paired. The number of electrons in the positive and anti-...

Introduction DVD drive refers to a device that reads DVD discs, which can be compatible with CD discs and DVD discs at the same time. The capacity of a standard DVD disc is 4.7GB, which is equivalen...

Introduction The optical drive is a common accessory in desktop computers. As the application of multimedia becomes more and more widespread, the optical drive has become a standard configuration amo...

CD burning speed CD burning speed refers to the maximum CD-R burning speed supported by the optical storage product. The mainstream built-in CD-RW products in the market can achieve a maximum record...

Definition of double speed Because CD capacity is about 700MB, DVD single-sided single layer (DVD-5) is 4.7GB (actually 4.37GB), DVD single-sided single layer capacity It is about 6.4 times that of...

Introduction The CD-ROM drive is a CD-ROM drive, and the carrier carrying data and information is called a CD-ROM. The one that reads or writes data to or from an optical disc is called an optical d...

As we all know, in the Internet, 2 usually has multiple meanings, one is understood as "love", such as the number string "520" = I love you, the number string "5201314" = I love you forever , Number s...

Top ten buzzwords Top ten internet buzzwords of 2017 (10 photos)freestyleHeart! Lao TiePoverty limits my imaginationWill your conscience hurt?Are you surprised or surprised? Please start your perfor...