Private equity companies have much less of a principal-agent problem than do Citicorp, Bears Sterns and other publicly traded companies because private equity companies have a concentrated ownership.
比起花旗集团和贝尔斯登，私人实体企业与委托代理问题无多少关联，这是因为其拥有集中的所有制。
2
By the use of the new nitrating agent, the use of concentrated sulfuric acid was avoided and the reaction was environmental friendly with high atom economy.
该方法通过改变硝化剂，不仅成功地避免了浓硫酸的使用，而且提高了原子经济性，具有良好的环境效益。
3
The stress agent can also prepare functional complete feed, concentrated feed or pre-mixed feeding stuffs.