In the theoretical aspect, current secure model and definition of general security cannot reflect characteristics of different applications. A more practical secure model is needed to be investigated.

在基础理论方面，现有的安全模型和一般安全性定义，不能够反映不同应用问题的特点，更实用的安全模型需要进一步研究。

youdao

That made me think about the tools I use to secure the computer I use for online banking, which has to be as secure as possible (and practical).

这让我提醒自己，在我那台用于网上银行业务的电脑上用来保护系统安全的工具必须要尽可能的安全(而且还要有效)。

youdao

Spill-proof and easy to hold with either hand, this practical mug is ideal for everyone who prefers a firmer more secure grip.

溢出证明和易于同任何一方面，这杯是理想的实际大家喜欢谁更坚定更安全的抓地力。

youdao

They might be better off, in practical terms, taking the secure return from repaying their mortgage.

WSJ: Upside: Pay Off That Mortgage Now!

It resides where every important social advance has always resided - with the American people themselves, with well informed American families, making practical decisions to address their imperatives for better health and more secure prosperity.

CNN: McCain's October 11, 2007, speech on health care

In my professional view, this transaction would deny the United States reliable and secure access to a vital - and, as a practical matter, irreplaceable - world-wide telecommunications infrastructure.

CENTERFORSECURITYPOLICY: Vote No to Firesale of Fiber-Optic Network