Therefore, file upload is a basic and necessary function of Web portals.

因此，文件上载是web门户的一种基本的必备功能。

youdao

Build-in test (BIT) is a necessary function to the design of modern radar.

雷达系统的机内检测(BIT)是现代雷达设计中不可缺少的一项功能。

youdao

Value engineering is a function analysis method achieving the necessary function at the lowest cost of total lifetime cycle.

价值工程是以最低的全寿命周期成本实现一定的必要功能，而致力于功能分析的有组织的活动。

youdao

Or just have the good intentions without the effort that's necessary to bring about a positive exponential function.

还是只有好的意图但不付出,必要的努力发挥正面指数函数的作用。

哈佛公开课 - 幸福课课程节选

The standard library, that first line of code, it's not strictly necessary but any time you use a function, a tool that someone else wrote that lives in that so called library, you do need that include line as we'll see.

标准库函数--第一行代码，严格来说，不是每次都要写的，但是一旦你调用某个别人写，的函数，而这个函数又恰巧位于标准库里面,你就要像我们看到的这样，把它include进去。

哈佛公开课 - 计算机科学课程节选

And yet most tracks of this ilk function perfectly well on another, more innocent level - ambiguity being a necessary function of addressing such themes while also hoping to get played on the radio, according to the Daily Telegraph's chief rock critic Neil McCormick.

BBC: Magazine

How can that legitimate, and indeed necessary, function of an American regulatory agency constitute inappropriate extraterritorial reach?

CENTERFORSECURITYPOLICY: Center for Security Policy | Robinson Wall Street Journal Op. Ed. Puts the Spotlight on Unwitting U.S. Investor Funding of Global Bad Actors��

But are they really necessary to function each day?

FORBES: Giving Thanks