Gesture: Cross index and middle finger and hold up.

手势：食指和中指向上交叉。

The story goes that two people used to cross index fingers when making a wish, a symbol of support from a friend to the person making the wish.

有个故事说，有两个人许愿时曾交叉中指，这是许愿的人从朋友那里得到支持的象征。

You just need to realize that we have been warned about the negatives of DPSIs in cross-partition processing, including the multiple index probes needed for sort avoidance.

您只需要认识到，我们一直警告关于跨分区处理DPSI的负面效应，包括规避排序所需的多个索引。

The Economist's Big Mac index was devised as a lighthearted gauge to whether currencies are under - or overvalued, but it can also be used to cross-check official inflation rates.

《经济学人》的巨无霸指数除了被设计为一种轻快的标准来衡量货币被低估或高估之外，还可以用来核对官方的通胀率。

Cross breaking strength of spunlaced nonwovens is an important machinery property index of spunlaced product.

水刺非织造布的横向断裂强力是水刺产品的一项重要的机械性能指标。