Stability test showed the ability of resistant paraquat could keep for a long time.

抗性稳定性检验表明，大蒜抗百草枯能力在一定时间内能够保持下去。

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Of course, most of us would feel confused and disappointed when we meet with difficulty or setback, but it should not keep for a long time.

当然，遇到困难和挫折时，我们大多数人都会感到迷惑和失望，但是这种状态不应该持续太久。

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Comets are rich in volatile material. It suggests that comets should form and keep for a long time in the low temperature region of the outer solar system.

彗星富含挥发物，这表明它们形成并长期保存于太阳系外部低温区。

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"I had a good relationship with the boy but I never, ever thought we were going to keep him for a long time, " said the Scot.

BBC: Ferguson rules out more signings

Some Georgians from the lawmaker's part of the state say they hope he has to keep waiting for a long time.

CNN: Georgia 'Octomom bill' would limit embryo implants

They keep producing for a long time after that, but drillers need to put a lot of holes in the rock to maintain supply.

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