Chromium slag treatment was the international environmental protection problem.

铬渣治理是国际性环保科技难题。

youdao

This paper deals with the PC series micro - computer software copy protection problem.

本文研究的是PC系列微机的软件防拷贝问题。

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Against the protection problem of optical layer in WDM networks, two new protection algorithms are proposed.

针对WDM(波分复用)光网络光层保护问题，提出了两种新的保护算法。

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Expensive clinical trials that come just as a drug is losing its patent protection are a real problem for drugmakers.

FORBES: Are Drug Patents Too Short?

For various reasons, everyone likes to talk about the "analog hole" problem with DRM protection: pretty much all security falls down in the face of a well positioned camera and mic setup in the back of a movie theater.

ENGADGET: New audio "watermark" copy protection scheme for cinemas in the works

The Royal College of Paediatrics and Child Health said obesity was primarily a public health problem not a child protection issue.

BBC: Parental failure over child obesity is 'neglect'