这种需求一直很迫切，数学师范教育的课程也在持续演变。
The need is as great as ever, and programs of teacher education in mathematics continue to evolve.
这种假设或许可以解释为什么活跃星系中只有10%存在喷流，以及它们如何持续演变。
This scenario may explain why only 10% of active galaxies have radio jets, and how active galaxies evolve over time.
NFS持续演变，并与Linux的演变类似(支持低端、嵌入式、和高端性能)，NFS为客户和企业实施可扩展存储解决方案。
NFS continues to evolve, and similar to the evolution of Linux (supporting low-end, embedded, and high-end performance), NFS implements a scalable storage solution for consumers and enterprises.
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