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It is found that traveling waves with either lower frequency or higher frequency can both eliminate the anti-spiral waves, while only the target waves with lower absolute value of frequency can eliminate the anti-spiral waves.

数值计算表明，对于行波，无论是低频行波还是高频行波，都可以成功地消除系统中的反螺旋波；而对于靶波，只有低频靶波才可以消除反螺旋波。

B in the case of each acceptance, to pay you at your office, on demand, the equivalent of the acceptance in the legal tender of the United States of America at the current rate of exchange for demand drafts on the place of payment, if payment is made by us in time to reach the place of payment in the course of mails not later than the date of maturity, or at the current rate of Los Angeles for cable transfers at time of transmission to the place of payment in the currency in which the acceptance is payable, if such payment is made at your office on the maturity date.

就承兑汇票，在贵行依美国法定的偿付方式，按汇票支付地的即期汇票汇兑率(如我方偿付时，邮寄钱款到支付地而不得误期)，或按电汇汇寄汇票的规定货币到支付地洛杉矶时的现行汇兑率(如我方是在到期之日在贵行进行偿付)即期向贵行偿付等同于汇票面额的款额。如在相关时间，洛杉矾没有以上

File.newlines None if no line separators have been read, a string con- sisting of one type of line separator, or a tuple containing

未读取到行分隔符时使用 None ，只有一种行分隔符时为一个字符串，当文件有多种类型的行结束符时为一个包含所有当前所遇到的行结束符列表

File.newlines None if no line separators have been read, a string con- sisting of one type of line separator, or a tuple containing

未读取到行分隔符时使用 None ，只有一种行分隔符时为一个字符串，当文件有多种类型的行结束符时，则为一个包含所有当前所遇到的行结束符的列表

File.newlines None if no line separators have been read, a string con- sisting of one type of line separator, or a tuple containing

未读取到行分隔符时为 None ，只有一种行分隔符时为一个字符串，当文件有多种类型的行结束符时，则为一个包含所有当前所遇到的行结束符的列表

Principle of non-communication complete transmission line UHS protection is proposed according to the effect of line trap and transmission line frequency dependant property on travelling wave.

2在行波原理方面，考虑行波产生的机理特别是线路阻波器、输电线路频率相关特性等的影响，利用行波波头的故障特征，提出了新的单端行波保护原理——无通信全线速动行波保护原理。

By far the most popular serial interface between a computer and its CRT terminal is the asynchronous serial interface, and between a circuit switch and its telephone terminal, the synchronous one.

在计算机与其显示终端之间最为常见的串行接口是异步串行接口，而在电路交换机与其电话终端之间最为常见的串行接口是同步串行接口。

Through observation and study,the optimum designing programs are showed as follows:the cross degree between shelter belt and do minant wind direction should be more than 45 degree,the main forest belt distance should be from 150 meter to 200 meter,the sub belt distance should be from 230 meter to 700 meter,the best belt structure is sparse and transparent structure.

通过观测和研究，得出风沙区农田防护林带的走向与主风方向的交角，不能小于 45°，主林带间距 15 0m——— 2 0 0m ，副林带间距 2 3 0m——— 70 0m ，林带结构以疏透结构为最好，主林带一般由主林木 5— 6行组成，副林带由 2— 3行组成，再在迎风面和背风面配置 1行— 2行灌木和针叶

Terza rima: An Italian verse form consisting of a series of three-line stanzas in which the middle line of each stanza rhymes with the first and third lines of the following stanza.

三行体：一种由三行组成一节的一种意大利诗，诗中每前一节的中间一行和后一节的第一行和第三行押韵。

We construct a Salop model to analyze three conditions: no-fee, foreign fee, and surcharge. Our meaningful conclusions mainly are: When the interchange fee is equal to ATM's marginal cost, the bank's profit could be maximized; for pure ATM businesses, foreign fee is strategy-substitutable and surcharge is strategy-complementary; for banking competition, foreign fee is strategy-complementary and surcharge is strategy-substitutable.Keywords: ATM, foreign fee, surchargeJEL Number:

本文以Salop环形城市模型分析了跨行取款不收费制、跨行费制、额外费制下银行在ATM业务上的成本收益情况，本文有意义的结论主要有：当交换费等于ATM的边际成本时，两种费制都会使银行达到利润最大化；在纯粹ATM业务上，跨行费是战略替代的，额外费是战略互补的；在银行竞争上，跨行费是战略互补的，额外费是战略替代的。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。