There are in English two articles: the definite article and the indefinite article.

When we are talking about the place as a building, the definite article is used.

这类词若用以指建筑物所在地, 前面就要加定冠词.

Must there be a definite article here?

这里一定要有定冠词 吗 ?

Learners use of the definite article is an important index of their English language proficiency.

定冠词使用是表明学习者英语水平的一个重要指标。

Don't leave out the definite article.

这里不要漏掉定冠词.

This paper shows the important roles of variable upper limit definite integral derivative through several examples.

通过例题给出变上限定积分求导的几个应用.

The theorem shows how to find the mean value using a definite integral.

这定理就告诉我们如何借助求积分的办法来找出这个平均值.

The integral calculus primary coverage includes: Definite integral, indefinite period classification.

积分学的主要内容包括: 定积分 、 不定积分等.

The integral calculus basic concept is a circular function indefinite integral and the definite integral.

积分学的基本概念是一元函数的不定积分和定积分.

A definite integral is an indefinite integral evaluated over an interval.

定积分是区间上的不定积分值.

In this paper, the application of axisymmetric property on the definite integral operation is studied.

讨论了函数图象的轴对称性及其在定积分中的应用.

Therefore, the computation appears very important to the definite integral.

因此, 对定积分的计算就显得十分重要.

Policies are definitely more skewed towards economic growth than before.

政策明显比以往更多地向经济增长方面倾斜。

His opponents believe he is definitely on the run.

对手认为他必败无疑。

He told them that no venue had yet been definitely decided.

他告诉他们还没有确定下场地。

Short skirts are definitely on the way out now and longer ones are in again.

短裙现已过时,长裙又流行起来了.

There was definitely something fishy going on.

肯定当时有可疑的事情在进行中.

It has not yet definitely settled.

这事还没有明确解决.

I can state quite definitely it will be terrible.

我可以非常明确地说，情况会十分糟糕。

It's very definitely a usage which has come over to Britain from America.

这个用法肯定是由美国传到英国来的。

What you wear should be stylish and clean, and must definitely fit well.

你的穿着应该整洁漂亮，而且必须非常合身。