What is sd? What is it?

sd is a polysemous word, which means:

1. sd refers to the abbreviation of Systems development:

Systems development, specifically Methods include traditional system life cycle methods, object-oriented development methods, function-oriented development methods, etc.

2. sd refers to the abbreviation of the company name Super Dollfie:

sd only refers to the movable ball joints manufactured by the Japanese volks company, including children from 1 to 20 years old New dolls in all forms for teenagers and children around the age of 18.

3. SD refers to the abbreviation of swine treponemal dysentery:

Swine treponemal dysentery is also known as blood dysentery. Historically, it was called vibrio dysentery, which is a disease of pigs. An infectious mucohaemorrhagic colitis.

4. sd refers to the English abbreviation of the game "Hot-Blooded Scoundrel":

SD is the English abbreviation of the game "Hot-Blooded Scoundrel", which is a PC electronic game published in 2012.

5. SD refers to the abbreviation of mobile phone memory card:

SD card is translated as Secure Digital Memory Card in Chinese. It is a new generation of memory device based on semiconductor flash memory. It is divided into SD card, miniSD card, etc. according to different packages.

Baidu Encyclopedia—SD

Baidu Encyclopedia—SD

Baidu Encyclopedia—SD

Baidu Encyclopedia—SD

Baidu Encyclopedia—SD