However, these breeding technologies have differently some serious weaknesses such as breeding cycle period being too long and heredity of good characters being unstable.

然而，这些育种技术均存在育种周期长、优良性状遗传不稳定等不足之处。

youdao

Disallow OI during Elaboration as being too unstable, and thus more likely to result in scrap and rework, and only allow it in Construction.

由于太不稳定且因此更可能导致废弃和重做，所以在细化阶段不接受OI，而只在构建阶段允许。

youdao

People high on the neurotic scale, which can mean being moody, emotionally unstable and fretful, were more likely to have an anguished remembrance of the past and to be less happy.

那些精力充沛健谈的人，更有可能的是记住过去美好的时光结果拥有更多的幸福。高度神经敏感即那些郁郁寡欢、情绪不稳定和焦躁不安的人很可能回忆痛苦的过去有着更少的幸福。

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We have the right to pray in our houses of worship without being victimized by a mentally unstable young man and his assault weapon.

CNN: Americans, even NRA members, want gun reforms

The facility is categorised as alpha - signalling it is still being tested and may be unstable - but the firm announced on its blog that it was now ready to invite the public to try it out.

BBC: BitTorrent Sync challenges cloud-based file management

Public works officials said that more roads were being closed than opened due to unstable soil conditions.

WSJ: Flood Cleanup Continues in Duluth