a new type of ph transmitter is presented. this transmitter has some properties, such as high input resistance, strong disturbance-resistant etc.

ofdm is precisely because of its anti-interference capability features and become the core technology of wireless communications.

OFDM技术正是由于其抗干扰能力强的特点，成为了当今无线通讯的核心技术。

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the algorithm is characterized by simple algorithm, fast extraction, high precision and powerful noise immunity.

该算法具有算法简单、笔划抽取速度快、正确率高和抗干扰能力强的特点。

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the utilization of spread spectrum technology reduces the transmit signal power spectral density, and improves noise immunity and concealment.

同时采用扩频技术降低了发射信号功率谱密度，提高了抗干扰能力和隐蔽性。

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moral paradox is a kind of general logical paradox in the moral field.

道德悖论是人们在道德思维领域发现的一种广义的逻辑悖论.

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english pronoun has both the narrow meaning and the extensive meaning.

英语代词既有狭义的用法,又有广义的用法.

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generalized static exchange refers to all foreign currency-based assets.

广义的静态外汇是指一切用外币表示的资产.

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chemicals used for treatment of water intended for human consumption - sodium acid pyrophosphate

人类用水处理使用的化学制品焦磷酸钠

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the distribution of return is an important problem in financial economics because it is the basis of portfolio selection, asset pricing and risk management.

投资收益率的统计分布是证券投资组合、金融产品定价和风险管理的基础，因此是金融经济学的非常重要的问题。

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therefore, when insurance companies determine the pricing profit margin, they should pay more attention to the influence from underwriting profit margin.

因此，产险公司根据承保利润率和投资收益率确定定价利润因子时，应该更加重视承保利润率对它的影响。

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resources are always limited and you must find the proper advertising that goes well with your brand and products to maximize your roi.

资源总是有限的，你必须找到合适的广告，它能很好地伴随你的品牌和产品，将你的投资收益率最大化。

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but this turn depends on factors such as: teachers' preference for continuing education, ability of payment and profit of investment.

而这一转化的实现取决于中学教师对继续教育的偏好程度、支付能力及投资收益率等因素。

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in this paper a fractional linear programming model with maximizing the rate of return on a portfolio as its objective is presented.

本文提出了以极大化证券组合的投资收益率为目标的分式线性规划模型。

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as the higher investment yield of container port industry, container port industry became an important target for international investment.

由于集装箱港口业较高的投资收益率，成为国际投资的重要对象。

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software reengineering put emphasis on the rate of high investment and yields to improve the performance of legacy system.

软件再工程强调以更高的投资收益率，来提高遗产系统的性能；

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the rates of returns to both human and physical capital should be the same when the economy equilibrates.

均衡时经济中人力资本投资收益率等于物质资本投资收益率。

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the application of the method of incremental investment rate of return in decision making of multi-projects selection and optimisation

增量投资收益率法在多方案选优决策中的应用

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in order to improve the investment yield, diversity of investment currencies and instruments must be carried out.

要提高投资收益率，必须实现投资币种、投资品种的多元化，在世界范围投资于更丰富的资产。

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the marginal liquidity value of the stock is positive related to the enterprise marginal investing yield;

2边际流动性价值与企业边际投资收益率成正相关。

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lower-than-assumed real rate of return on investment

较假定实际收益率为低的投资收益率

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secondly, underwriting profit margin and investment rate of return were expounded in detail.

接下来对模型中的承保利润率和投资收益率是如何影响定价利润因子的分别进行了详细的介绍。

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