Students studying for a particular degree will take a series of lecture courses which run in parallel at a fixed time in each week and may last one academic term or the whole year.

攻读特定学位的学生将在每周的固定时间同时参加一系列讲座课程，可能持续一个学期或一整年。

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The term of practice is tentatively fixed at half a year.

实习期限暂定半年。

《新英汉大辞典》

They also propose replacing fixed-term contracts for new hires with a permanent contract in which firing costs rise with seniority but not as high as at present.

他们也建议以长期合同代替新人的定期合同，这种合同的解雇成本会随被解雇者的资历上升，但仍比现在要低。

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In contrast, in France, Germany, and the Netherlands, borrowing is mostly long term and at fixed interest rates.

ECONOMIST: Can one size fit all?

One route around this blockage is for central banks to lend directly to firms by purchasing their short-term debt at fixed rates, as the Fed started to do this week.

ECONOMIST: Policy in a recession

Ofgem's proposals also include banning complex multi-tier tariffs, new personalised information to help consumers find their best deal, and ensuring customers default to the cheapest option at the end of fixed-term contract.

BBC: Energy bills: Ofgem sets out plan for simpler tariffs