Scientists know planets form out of the discs of material around young stars, but theory says the transition from dust disc to planetary system is rapid and few objects are caught during this phase.

科学家们知道行星是从年轻的恒星周围的物质盘中形成的，但是理论认为从尘埃盘到行星系统的转变非常快，人们很少见到在这一阶段的物体。

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So perhaps the best outcome would be some form of negotiated transition under international auspices.

或许最好的结果是在国际支持下的某种形式的协商过渡。

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The presentation of the form should mimic paper-based forms to ease the transition.

表单的表示应当模拟基于纸张的形式来简化转换。

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Doctors at the Washington University School of Medicine investigated the role of macrophages, a part of the immune system, in the transition from the dry to the wet form of the disease.

BBC: Macular degeneration: Cholesterol drugs 'may save sight'

Some might see this as a disadvantage but on the whole because they know students from lower down the school they should be able to pick up any problems that occur with the difficult transition to sixth form study.

BBC: Pupils' A-level decision time

The quick and dirty way to transition paper notes into digital form is, of course, to photograph the notebook page with a phone and save it as an image.

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