Global diversification thus provides an automatic buffer against a dollar drop, unless the fund managers have hedged the holdings back into U.S. currency.
全球多样化从而对美元下跌提供了一个自动的缓冲，除非基金经理又以美元进行了对冲。
2
Swing-type check off er the least pressure drop and offer simple automatic closure; when fluid flow stops gravity and flow reversal closes valve.
旋启式止回阀压降最小，能够完全自动关闭，即在介质流动停止、重力和介质倒流的状态下自动关闭阀门。
3
Stops the protection anxiously: in the bitter experience arises suddenly in the unusual circumstance (for example automatic rise or drop and so on) shuts off the master control return route.