Here are the core classes.

这些是必修课程。

youdao

We have not yet started adding NIO.2 support to JRuby's core classes, but that will come soon.

JRuby的核心类目前还没有开始添加NIO.2支持，但很快就会开始。

youdao

It is a common DSL antipattern to make fundamental (possibly breaking) changes to core classes of the language.

对语言的核心类进行根本改变(可能是破坏)是一个常见的dsl反模式。

youdao

We do have, um, a focus on non- Western cultures in one of our core curriculum classes.

在核心课程中，我们确实有一门课不是讲西方文化的。

哥伦比亚大学的教程 - SpeakingMax英语口语达人

Today, we are well on our way to making core classes on ethics and sustainable business practices a real and relevant part of MBA curricula.

FORBES: Will Wall Street's Shortcomings Redefine The MBA Curriculum?

A. and requires core business classes, such as corporate strategy, accounting and finance.

WSJ: Alternatives to the M.B.A. Becoming More Popular

Asking pupils to pay fees for core activities or classes seems much worse.

ECONOMIST: School funding: Public good, public cuts | The