How much hair can a hair net catch?

一只发网能网住多少头发呢？

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A large metallic mesh ACTS as a net to catch these particles and have them push a spacecraft along.

一个巨大的金属网将用于捕获磁性离子，并用于推动飞船飞行。

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MOP works well as a safety net to catch message passing errors, but that's not its most interesting function.

MOP 就像一个安全网，捕捉传递错误的消息，但是这不是它最妙的功能。

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The most recent report, from the Independent Commission on Banking (ICB), recommended last year that people and businesses wanting to change banks should be able to switch accounts within seven days and provide a safety net to catch any stray direct debits or standing orders for a year after any account was switched.

BBC: OFT warns banks to change or face competition probe

The pear picker comes back to me now, a long pole with pincers at one end to cut the pears and a net to catch them.

NPR: Watching a Memory Shift over Time

Professional club academies and centres of excellence do good work, but there has to be a safety net to catch those players who fall through.

BBC: SPORT | Football | Grassroots issues worry Brooking