The area is small because of special installation structure. 40% investment into building can be saved.

独特的安装结构大大缩小了泵的占地面积，可节约基建投资40%上。

youdao

The JMX API is included as part of J2SE V5.0, so no special installation is required (assuming you have J2SE V5.0).

JMX API 是作为 J2SE V5.0 的一部分包含的，因此不需要进行特殊的安装（如果已经安装了 J2SE V5.0）。

youdao

It's an easy to use application that requires no special installation and USES very little of your system resources.

这是一个易于使用的应用程序，不需要特殊的安装和使用很少的系统资源。

youdao

Now, many websites detail how to sign up for Freeserve, and many other net service companies, without using the special installation software.

BBC: AOL rejects software complaints

PCs require the installation of special software that acts as a sort of electronic notary.

ECONOMIST: Digital rights and wrongs