问题是

Profit model is the strategic issue in the media industry. The dual sales is the core of the media industry.There are some defaults in the profit models such as single, linear and low value-added in the converging trend in the media industry.As the impact of convergence in the media industry appear gradually, the value chain of media industry take on network-based, flexible and similar structure.The innovation of profit model in media industry should focus on value-added, value chain transformation and governance of the value chain management.

内容提要：盈利模式问题是媒介产业发展中的一个战略性问题，二次销售模式作为媒介产业的核心模式在媒介融合的进程中逐渐显露出其单一化、线性化和低增值化的缺陷，由于媒介融合的影响，媒介产业价值链出现网络化、柔性化和同构化的发展趋势，媒介产业在此趋势中应通过价值增值、价值链转换和加强价值链治理实现盈利模式的创新。

The pollution from the chrome tanning effluent has become increasingly a serious problem that faces leather industry.

铬鞣废液的污染问题是制革工业面临的一个严峻问题。

Churn is one of the main problems faced by all P2P networks.

Churn问题是P2P网络面临的基本问题之一。

The development view of higher education can not circumvent the problem of the nature of higher education.

高等教育本质问题是高等教育发展观所不容规避的核心问题。

The problem of Chinese civilian economy is a special and complicated problem in China's modernization process.

中国民营经济问题是中国现代化进程中的一个特殊而复杂的问题。

The question of the class struggle is one of the fundamental questions of Marxism.

阶级斗争问题是马克思主义最根本的问题之一。

I have to make it clear that we have one key problem: that is technology.

我想说清一点，我们的关键问题是技术问题。

The maximum clique problem is one of the classical NP-complete problems from combinatorial optimization.

最大团问题是组合优化中的一个经典的NP-完全问题。

There were no issues however a common problem is that games like COD 4 are likely...

有问题，但是没有一个共同的问题是，游戏如化学需氧量4可能。。。

A major issue for Codex is the length of time it takes to establish standards.

食典委的一个主要问题是其制定标准所需的时间长短问题。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。