injection

中文： 注射、单射

1. The act of injecting, or something that is injected. (countable, uncountable)
2. A specimen prepared by injection. (countable, uncountable)
3. A morphism from either one of the two components of a coproduct to that coproduct. (countable, uncountable)
4. The act of inserting materials like concrete grout or gravel by using high pressure pumps. (countable, uncountable)
5. The supply of additional funding to a person or a business. (countable, figuratively, uncountable) · The troubled business received a much-needed cash injection.
6. A relation on sets (X,Y) that associates each element of Y with at most one element of X. (countable, uncountable)
7. The insertion of program code into an application, URL, hardware, etc.; especially when malicious or when the target is not designed for such insertion. (countable, uncountable) · a SQL injection exploit allowing a malicious user to modify a database query
8. The act of putting a spacecraft into a particular orbit, especially for changing a stable orbit into a transfer orbit, e.g. trans-lunar injection. (countable, uncountable)

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