These reference books are necessary to us.

这些参考书是我们所必需的。

《新英汉大辞典》

We need to get a service reference, which allows us to introspect properties of the service itself, and then use that to get the service that we're interested in.

我们需要获得一个服务引用，它可以让我们查看服务自身内部的属性，然后利用其来获得我们感兴趣的服务。

youdao

In addition, 10% of all positive stool samples are being sent to NAMRU 3 reference laboratory (US Navy Advanced Research Unit) in Cairo for further confirmation and phenotypic characterization.

此外，10%含病毒粪便样本正在被送往设在开罗的NAMRU 3参照实验室(美国海军高级研究处)，以待作进一步确认和表型鉴定。

youdao

The problems that Frost's poetry poses for us as readers are not problems of reference. They can't be solved by footnotes.

他的诗歌给我们的困难,不是参考的问题，它们不能就用脚注解决。

耶鲁公开课 - 现代诗歌课程节选

"This gives us a reference set of genes and microbes from healthy individuals, " said James Versalovic, director of the Texas Children's Microbiome Center at Baylor College of Medicine and one of the researchers on the project.

WSJ: Gene Map of Body's Microbes Is New Health Tool

Some of them actually believed us because their reference to America was movies and soap operas where everyone either lived in a 5, 000 square foot mansion or in a Malibu beach house.

FORBES: Getting Over Our Over-Levered Selves

As a point of reference the US has about 250 retail stores while China has 11.

FORBES: Move up http://i.forbesimg.com t Move down