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It is WFPC2's unique design that underlies the oddly-shaped images in Hubble's portfolio.

WFPC2独特的设计是形成这些奇特形状的图片的原因。

Interestingly, corporate managers have no trouble understanding that point when they are focusing on a business they operate: A parent company that owns a subsidiary with superb long-term economics is not likely to sell that entity regardless of price."Why," the CEO would ask,"should I part with my crown jewel?" Yet that same CEO, when it comes to running his personal investment portfolio, will offhandedly - and even impetuously - move from business to business when presented with no more than superficial arguments by his broker for doing so. The worst of these is perhaps,"You can't go broke taking a profit." Can you imagine a CEO using this line to urge his board to sell a star subsidiary? In our view, what makes sense in business also makes sense in stocks: An investor should ordinarily hold a small piece of an outstanding business with the same tenacity that an owner would exhibit if he owned all of that business.

有趣的是企业经理人在认定何者才是自己本业时，从来就不会搞不清楚情况，母公司是不会单纯因为价格因素就将自己旗下最优秀的子公司给卖掉，公司总裁一定会问，为什么要把我皇冠上的珠宝给变卖掉，不过当场景转换到其个人的投资组合时，他却又会毫不犹豫地，甚至是情急地从这家公司换到另一家公司，靠的不过是股票经纪人肤浅的几句话语，其中最烂的一句当属，你不会因为获利而破产，你能想象要是一家公司的总裁用类似的方式建议董事会将最有潜力的子公司给卖掉时，就我个人的观点，适用于企业经营的原则也同样适用于股票投资，投资人在持有一家公司的股票所展现的韧性应当与一家公司的老板持有公司全部的股权一样。

Interestingly, corporate managers have no trouble understanding that point when they are focusing on a business they operate: A parent company that owns a subsidiary with superb long-term economics is not likely to sell that entity regardless of price."Why," the CEO would ask,"should I part with my crown jewel?" Yet that same CEO, when it comes to running his personal investment portfolio, will offhandedly - and even impetuously - move from business to business when presented with no more than superficial arguments by his broker for doing so. The worst of these is perhaps,"You can't go broke taking a profit." Can you imagine a CEO using this line to urge his board to sell a star subsidiary?

Nor was the party over in 1938 for an investor： Though the $40 invested in 1919 in one share had turned into $3，277 by the end of 1938， a fresh $40 then invested in Coca-Cola 16 有趣的是企业经理人在认定何者才是自己本业时，从来就不会搞不清楚情况，母公司是不会单纯因为价格因素就将自己旗下最优秀的子公司给卖掉，公司总裁一定会问，为什么要把我皇冠上的珠宝给变卖掉，不过当场景转换到其个人的投资组合时，他却又会毫不犹豫地，甚至是情急地从这家公司换到另一家公司，靠的不过是股票经纪人肤浅的几句话语，其中最烂的一句当属，你不会因为获利而破产，你能想象要是一家公司的总裁用类似的方式建议董事会将最有潜力的子公司给卖掉时，就我个人的观点，适用于企业经营的原则也同样适用于股票投资，投资人在持有一家公司的股票所展现的韧性应当与一家公司的老板持有公司全部的股权一样。

On average the Fund will invest $2 to $5 million in each of our portfolio companies.

除了我们的投资资本以外，我们还将以我们的经营和管理经验为被投资的公司增加价值。

First, when there is no-risky security but no consideration on transaction costs, based on the concept of asymptotic returns rate, we present the concept of asymptotic efficient frontier of portfolio and its determining method.

当有交易成本存在时，我们说明：若标的股票的投资比例在非交易区域时，投资者不需要进行交易；而当股票投资比例超出非交易区域时，投资者需要进行交易使标的股票的投资比例回到非交易区域内。

HCG's TBM assembly workshop is capable of 12 TBMs with diameters more than 6.0 meters in a year. HCG assembles tunnelling systems which are individually adapted to the tunnelling projects and their specific geological and hydrological conditions. The product portfolio covers Hard Rock TBMs, Open-Face Shields, Earth Pressure Balance Shields and Mixshields for Traffic Tunnelling.

公司拥有现代化的隧道掘进机组装厂房，每年可以组装、调试或维修12台直径6米以上的隧道掘进机；根据不同的隧道工程项目以及每个施工地段的水文、地质条件，为客户提供度身定做的专用隧道掘进设备，包括硬岩掘进机，敞开护盾式掘进机，土压平衡盾构机和混合盾构机。

HCG's TBM assembly workshop is capable of 12 TBMs with diameters more than 6.0 meters in a year. HCG assembles tunnelling equipments which are individually adapted to the tunnelling projects and their specific geological and hydrological conditions. The product portfolio covers Hard Rock TBMs, Open-Face Shields, Earth Pressure Balance Shields and Mixshields for Traffic Tunnelling.

公司拥有现代化的隧道掘进机组装厂房，每年可以组装、调试或维修12台直径6米以上的隧道掘进机；根据不同的隧道工程项目以及每个施工地段的水文、地质条件，为客户提供度身定做的专用隧道掘进设备，包括硬岩掘进机，敞开护盾式掘进机，土压平衡盾构机和混合盾构机。

Kids Preferred, one of the leading US plush manufacturers, has already won honors for its ab toys from its initial debut, scoring several platinum honors from the 2007 Oppenheim Toy Portfolio.

孩子们推荐，一家领先的美国毛绒制造商，已经赢得荣誉的抗体玩具从最初亮相，进球数铂荣誉从2007年奥本海姆玩具组合。

Optimal product mix: economic output of the product portfolio to reflect consumer preferences.

产品混合最优：经济体产出产品的组合必须反映消费者的偏好。

Course scheduling is a typical portfolio optimization and uncertainty of scheduling problems, but also a complete problem.

排课问题是一个典型的组合优化和不确定性调度问题，也是一个完全问题。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。