Global indexes preserve the order property from index scans, and this gives them an edge over local indexes.

全局索引保留来自索引扫描的顺序属性，这是相对于本地索引的一个优势。

youdao

Want to preserve your mental edge?

想保持大脑灵活吗？

youdao

The simulation results show that the proposed method can remove impulse noise while preserve the edge structure of the image.

实验结果表明，该新方法在去除脉冲噪声的同时，还很好地保留了图像的边缘结构。

youdao

However, it is important to note that our ability to build and preserve our nation's competitive edge does not start with post-graduate education.

FORBES: Jim Miller

Is the alternative to maintaining such controls a substantial increase in Pentagon investment in research and development and military procurement to try to preserve the American military's qualitative edge?

CENTERFORSECURITYPOLICY: Center For Security Policy

No one has proposed adding many times that amount to the Pentagon's budget to help preserve or restore America's qualitative edge in the wake of more recent -- and Clinton-approved -- technology transfers.

CENTERFORSECURITYPOLICY: Clinton Lets Trade Trump Security, Again