Sentence examples for it is usually introduced from inspiring English sources

The notion of set is so simple that it is usually introduced informally, and regarded as self-evident.

When teaching English, for example, pronouns such as "him", "her" and "it" are usually introduced early on.

In these assays, I -SceI is usually introduced by transfection.

A statute of the Singapore Parliament begins its life as a bill, which is usually introduced in Parliament by a government minister.

This use of 'looks' is usually introduced by philosophers for theoretical purposes, though some argue that it is implicit in the ordinary use of 'looks blue, 'looks square', etc.

The topic is usually introduced within the framework of the Neyman-Pearson approach, where it is proposed that one of two hypotheses, the null hypothesis and the alternative hypothesis, must hold.

The subject of each episode is usually introduced during Dr. Bindlebeep's morning stroll.

The potential energy for the entire ride is usually introduced in a large initial climb that is converted to kinetic energy on the first and often sharpest drop.

The reference wave is usually introduced at an angle to the diffracted beam, hence this method is often called off-axis (or side-band) holography.

Reform is usually introduced by government initiative or in response to internal and external pressures, to resolve or prevent an economic, social, or political crisis.

An amplification factor is usually introduced to describe transfer time.