This was half the size of the original (source) logical volume.

这是原始（源）逻辑卷的一半。

youdao

And it gets worse.By 2020, first-class mail volume is expected to drop by half.

2020年的情况会更糟，一类邮件数量预计将减少一半。

youdao

Unsolicited commercial electronic mail is currently estimated to account for over half of all electronic mail traffic, up from an estimated 7 percent in 2001, and the volume continues to rise.

据估计，目前未经索取的商业电子邮件占电子邮件发送总量的比例，由2001年的7%上升至目前的50%以上，而且其数量还在持续增长。

youdao

He says that teenagers should set the volume control on their music players to somewhere between one-half and two-thirds the highest level,never louder.

VOA: special.2010.09.28

Each includes 100, 000 main entries--half the number in the 20-volume Oxford English Dictionary, but quite enough to get around in Australia.

FORBES: Turn right at the robot

During our hour-and-half long interview, Talen frequently elevated the volume of his voice preacher-like to a booming crescendo when coming to a point.

FORBES: Reverend Billy and His Crusade Against Consumerism

They were forced to conclude that a half-dozen of them had dropped in volume and were leaking anywhere from a few gallons to a few hundred gallons of radioactive material a year.

FORBES: Nuclear Waste Leaks Worse than Thought in Washington