It
circle operation 伊藤圆运算
It decomposition 伊藤分解
It equation 伊藤方程
It formula 伊藤公式
It lemma 伊藤引理
It process 伊藤过程
It stochastic integral 伊藤（随机）积分
It theorem 伊藤定理
It type 伊藤型
- universal curve
- universal deformation
- universal diagram
- universal differential algebra
- universal differential equation
- universal distribution
- universal domain
- universal dynamic game
- universal element
- universal element of a functor
- universal elliptic curve
- universal enveloping algebra
- universal enveloping bialgebra
- universal enveloping superalgebra
- universal estimator
- universal extension
- universal family
- universal fiber bundle
- universal field
- universal field extension
- universal final epi-sink
- universal form
- universal formal group law
- universal formula
- universal function