欧洲货币支票

But as money market funds, Eurodollar CDs, repurchase agreements and other instruments started to gain popularity, it became much more difficult to define money.

在消费者和企业都把钱存在储蓄账户或支票帐户中的时代，货币的概念是明确的；但随着货币市场基金、欧洲美元存单、回购协议以及其他金融工具越来越流行，定义货币的难度大为增加。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。