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 typical trench system in World War I consisted of a series of two, three, four, or more trench lines running parallel to each other and being at least 1 mile (1.6 km) in depth.

第一次世界大战时典型的堑壕体系由2至4条以至更多的一系列壕沟组成，壕沟之间彼此平行，而且纵深可以达到1英里（合1.6公里）。

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He believed in an infinite series of times, in a dizzily growing, ever spreading network of diverging, converging and parallel times.

他认为时间有无数系列，背离的、汇合的和平行的时间织成一张不断增长、错综复杂的网。

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Instead of making the sleeves of a jacket first and then the body, assembling the garment in a series of steps, his workers make sleeves and body simultaneously, working in parallel with others who are stitching other sections.

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Multiple upgrades to the Aegis system are now progressing in parallel, with missiles, radars and computers all being improved in a series of increasingly capable increments that could one day make Aegis warships vital to defense not only of overseas allies and deployed forces, but also the continental United States.

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Woodland drew Morse dots and dashes as he sat on the beach and absent-mindedly left his fingers in the sand where they traced a series of parallel lines.

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