Every open covering of X has a finite sub-covering.

每个开覆盖都有一个有限子覆盖。

youdao

For such short exposures, the rear curtain starts to fall, covering up the sensor before the front curtain is even fully open.

在这样短的曝光下，后幕帘落下，在前幕帘完全打开前遮蔽感光元件。

youdao

And every open vessel, which hath no covering bound upon it, is unclean.

凡敞口的器皿，就是没有扎上盖的，也是不洁净。

youdao

Depending on your degree of cynicism, this approach represents either the embrace of open innovation or covering fire used to obscure a massive intellectual retreat.

FORBES: Strategy: Why Big Pharmas Do What They Do -- And How Silicon Valley Might Help Them Think Differently

Linaro engineers, leveraging their extensive embedded knowledge, will contribute to a wide range of open source projects covering areas such as tools, kernel, graphics and boot code.

ENGADGET: ARM, Samsung, IBM, Freescale, TI and more join to form Linaro, speed rollout of Linux-based devices

Covering some 400 square miles of open countryside, the trial sites are much larger than the ten-by-ten kilometre box squares used in the RBCT, and have been carefully chosen to take advantage of natural barriers to the movement of badgers like the M5 and M50 motorways and the river severn.

BBC: Badgers back in the firing line