HFT firms which seek to exploit currency movements or arbitrage price differences between local-currency and foreign-currency bonds want to move funds in and out of a country with minimal friction.
那些利用货币走势的或是利用本币和外币债券之间的差价套利的高频交易公司，希望能够以最小的阻力将资金注入或撤出某个国家。
Some differences between the rolls of high-speed steel and high-chrome iron in hot crown, friction coellieient, characteristics of oxidative film and anti-accident and so on are analyzed.
对比分析了高速钢与高铬铁轧辊在热凸度、摩擦系数、氧化膜特征、抗事故性等方面的区别；
The paper establishes the general differential equations about elastic liner wear problem of mult-rope friction hoist considering the differences of rope's length and rope grooves.
本文建立了同时考虑钢丝绳长度差及绳轮半差时的弹性衬垫磨损的微分方程式；并由此得到了衬垫绳槽稳定磨损的条件；
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