They're X-ray proof to 100 mGy, the level of an airport scanner. They're shock-proof to 1,500G, drop-proof to six feet, vibration-proof in the range of 10 to 2,000Hz, and have been tested to withstand 10,000 pluggings and unpluggings.
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。业内人士推荐PDF资料作为进阶阅读
Au revoir, Eleventy，这一点在PDF资料中也有详细论述
Блогеру Арсену Маркаряну дали срок14:50
Apple Gives the iPad Air a Small Power Boost