- indexing factor
- 引得率
Medical Chinese dictionary (湘雅医学词典). 2013.
Medical Chinese dictionary (湘雅医学词典). 2013.
Prime-factor FFT algorithm — The Prime factor algorithm (PFA), also called the Good Thomas algorithm (1958/1963), is a fast Fourier transform (FFT) algorithm that re expresses the discrete Fourier transform (DFT) of a size N = N 1 N 2 as a two dimensional N 1 times; N 2 DFT … Wikipedia
Impact factor — The impact factor, often abbreviated IF, is a measure of the citations to science and social science journals. It is frequently used as a proxy for the importance of a journal to its field.OverviewThe Impact factor was devised by Eugene Garfield … Wikipedia
Average Indexed Monthly Earnings — The Average Indexed Monthly Earnings (AIME) is used in the United States Social Security system to calculate the Primary Insurance Amount which decides the value of benefits paid under Title II of the Social Security Act under the 1978 New Start… … Wikipedia
Equalization payments — are cash payments made in some federal systems of government from the federal government to state or provincial governments with the objective of offsetting differences in available revenue or in the cost of providing services.CanadaIn Canada,… … Wikipedia
X-ray crystallography — can locate every atom in a zeolite, an aluminosilicate with many important applications, such as water purification. X ray crystallography is a method of determining the arrangement of atoms within a crystal, in which a beam of X rays strikes a… … Wikipedia
Hash table — Not to be confused with Hash list or Hash tree. Unordered map redirects here. For the proposed C++ class, see unordered map (C++). Hash Table Type unsorted dictionary Invented 1953 Time complexity in big O notation Average Worst case Space … Wikipedia
Index fund — An index fund or index tracker is a collective investment scheme (usually a mutual fund or exchange traded fund) that aims to replicate the movements of an index of a specific financial market, or a set of rules of ownership that are held… … Wikipedia
Citation index — A citation index is a kind of bibliographic database, an index of citations between publications, allowing the user to easily establish which later documents cite which earlier documents. The first citation indices were legal citators such as… … Wikipedia
Human Reproduction (journal) — Human Reproduction Abbreviated title (ISO) … Wikipedia
Social Security (United States) — This article is about the retirement/disability program. For the general concept of providing welfare, see Social security. For other uses, see Social Security (disambiguation) … Wikipedia
Scale-invariant feature transform — Feature detection Output of a typical corner detection algorithm … Wikipedia