unavailable time

基本解释

There will be a parent teachers meeting on Friday, if you are unavailable any time earlier.
下周五即將擧行期末家長會，如您不能與會，您可以提前來找我。
www.mapleleaf.net.cn
Derek Kepner, app developer, tweeted news to that effect earlier today, and the app is indeed unavailable at this time.
IS Driver開發者德裡尅·凱普納（Derek Kepner）爲此今天早些時候在Twitter上發了推文，現在程序的確被移除了。
It is designed to deal with the dynamic nature of OSGi, where services can become available and unavailable at any time.
它的目的是処理 OSGi 的動態特性，即服務可以在任何時間變得可用和不可用。

Both websites are still unavailable at the time of this writing.
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Many observers have suggested defensive techniques that deploy TrueCrypt disk encryption with hidden volume partitions or PGP Whole Disk Encryption rendering the entire computer unbootable thereby making even file time and date stamps unavailable.
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